A) The potential difference across the 6-ohm B) 2.0 A resistor is the same as the potential difference across the 3-ohm resistor. D) 4.

Save this PDF as:
 WORD  PNG  TXT  JPG

Size: px
Start display at page:

Download "A) The potential difference across the 6-ohm B) 2.0 A resistor is the same as the potential difference across the 3-ohm resistor. D) 4."

Transcription

1 1. A 2.0-ohm resistor and a 4.0-ohm resistor are connected in series with a 12-volt battery. If the current through the 2.0-ohm resistor is 2.0 amperes, the current through the 4.0-ohm resistor is A) 1.0 A B) 2.0 A C) 3.0 A D) 4.0 A 2. Base your answer to the following question on The diagram below represents a circuit consisting of two resistors connected to a source of potential difference. What is the current through the 20.-ohm resistor? A) 0.25 A B) 6.0 A C) 12 A D) 4.0 A 3. Circuit A has four 3.0-ohm resistors connected in series with a 24-volt battery, and circuit B has two 3.0-ohm resistors connected in series with a 24-volt battery. Compared to the total potential drop across circuit A, the total potential drop across circuit B is A) one-half as great B) twice as great C) the same D) four times as great 4. Base your answer to the following question on The circuit diagram below represents four resistors connected to a 12-volt source. 6. A 3-ohm resistor and a 6-ohm resistor are connected in parallel across a 9-volt battery. Which statement best compares the potential difference across each resistor? A) The potential difference across the 6-ohm resistor is the same as the potential difference across the 3-ohm resistor. B) The potential difference across the 6-ohm resistor is twice as great as the potential difference across the 3-ohm resistor. C) The potential difference across the 6-ohm resistor is half as great as the potential difference across the 3-ohm resistor. D) The potential difference across the 6-ohm resistor is four times as great as the potential difference across the 3-ohm resistor. 7. Which circuit has the smallest equivalent resistance? A) B) C) What is the total current in the circuit? A) 0.50 A B) 2.0 A C) 8.6 A D) 24 A 5. A 3.0-ohm resistor arid a 6.0-ohm resistor are connected in series in an operating electric circuit. If the current through the 3.0-ohm resistor is 4.0 amperes, what is the potential difference across the 6.0-ohm resistor? A) 8.0 V B) 2.0 V C) 12 V D) 24 V D)

2 8. Which combination of resistors has the smallest equivalent resistance? A) B) C) D) 9. Three identical lamps are connected in parallel with each other. If the resistance of each lamp is X ohms, what is the equivalent resistance of this parallel combination? A) B) C) D) 10. Three resistors, 4 ohms, 6 ohms, and 8 ohms, are connected in parallel in an electric circuit. The equivalent resistance of the circuit is A) less than 4 B) between 4 and 8 C) between 10 and 18 D) A circuit consists of a 10.0-ohm resistor, a 15.0-ohm resistor, and a 20.0-ohm resistor connected in parallel across a 9.00-volt battery. What is the equivalent resistance of this circuit? A) B) 1.95 C) 4.62 D) 45.0

3 12. In which circuit would current flow through resistor R 1, but not through resistor R 2 while switch S is open? A) B) C) D) 13. In the electric circuit diagram below, possible locations of an ammeter and a voltmeter are indicated by circles 1, 2, 3, and 4 Where should an ammeter be located to correctly measure the total current and where should a voltmeter be located to correctly measure the total voltage? A) ammeter at 1 and voltmeter at 4 B) ammeter at 2 and voltmeter at 3 C) ammeter at 3 and voltmeter at 4 D) ammeter at 1 and voltmeter at 2 Base your answers to questions 14 and 15 on the information below. A 15-ohm resistor and a 20.-ohm resistor are connected in parallel with a 9.0-volt battery. A single ammeter is connected to measure the total current of the circuit. 14. In the space below, draw a diagram of this circuit using symbols from the Reference Tables for Physical Setting/Physics. [Assume the availability of any number of wires of negligible resistance.] 15. Calculate the equivalent resistance of the circuit. [Show all work, including the equation and substitution with units.]

4 Base your answers to questions 16 and 17 on the information and diagram below. A circuit contains a 12.0-volt battery, an ammeter, a variable resistor, and connecting wires of negligible resistance, as shown below. The variable resistor is a nichrome wire, maintained at 20. C. The length of the nichrome wire may be varied from 10.0 centimeters to 90.0 centimeters. The ammeter reads 2.00 amperes when the length of the wire is 10.0 centimeters. 16. Determine the resistance of the 10.0-centimeter length of nichrome wire. 17. Calculate the cross-sectional area of the nichrome wire. [Show all work, including the equation and substitution with units.] 18. The heating element in an automobile window has a resistance of 1.2 ohms when operated at 12 volts. Calculate the power dissipated in the heating element. [Show all work, including the equation and substitution with units.] 19. A simple circuit consists of a 100.-ohm resistor connected to a battery. A 25-ohm resistor is to be connected in the circuit. Determine the smallest equivalent resistance possible when both resistors are connected to the battery. 20. Calculate the resistance of a 900.-watt toaster operating at 120 volts. [Show all work, including the equation and substitution with units.] 21. A 6-ohm resistor and a 4-ohm resistor are connected in series with a 6-volt battery in an operating electric circuit. A voltmeter is connected to measure the potential difference across the 6-ohm resistor. In the space below, draw a diagram of this circuit including the battery, resistors, and voltmeter using symbols from the Reference Tables for Physical settings/physics. Label each resistor with its value. [Assume the availability of any number of wires of negligible resistance.] 22. In the space below, draw a diagram of an operating circuit that includes: a battery as a source of potential difference two resistors in parallel with each other an ammeter that reads the total current in the circuit

5 Base your answers to questions 23 through 25 on the information below. A 5.0-ohm resistor, a 10.0-ohm resistor, and a 15.0-ohm resistor are connected in parallel with a battery. The current through the 5.0-ohm resistor is 2.4 amperes. 23. Using the circuit symbols found in the Reference Tables for Physical Setting/Physics, draw a diagram of this electric circuit. 24. Calculate the amount of electrical energy expended in the 5.0-ohm resistor in 2.0 minutes. [Show all work, including the equation and substitution with units.] 25. A 20.0-ohm resistor is added to the circuit in parallel with the other resistors. Describe the effect the addition of this resistor has on the amount of electrical energy expended in the 5.0-ohm resistor in 2.0 minutes. 26. A length of copper wire and a 1.00-meter-long silver wire have the same cross-sectional area and resistance at 20 C. Calculate the length of the copper wire. [Show all work, including the equation and substitution with units.] Base your answers to questions 30 and 31 on the information and diagram below. A 10.0-meter length of copper wire is at 20ºC. The radius of the wire is meter. Base your answers to questions 27 through 29 on the information and diagram below. A 15-ohm resistor R1, and a 30-ohm resistor, R2, are to be connected in parallel between points A and B in a circuit containing a 90-volt battery. 30. Determine the cross-sectional area of the wire. 31. Calculate the resistance of the wire. [Show all work, including the equation and substitution with units.] 27. Complete the diagram above, to show the two resistors connected in parallel between points A and B. 28. Determine the potential difference across resistor R Calculate the current in resistor R 1. [Show all work, including the equation and substitution with units.]

6 Answer Key Circuits (AP) 1. B 2. D 3. C 4. A 5. D 6. A 7. C 8. C 9. B 10. A 11. C 12. A 13. A The energy expended in the 5.0-ohm resistor remains the same Req = V A m

Electrostatics. Electrostatics Version 2

Electrostatics. Electrostatics Version 2 1. A 150-watt lightbulb is brighter than a 60.-watt lightbulb when both are operating at a potential difference of 110 volts. Compared to the resistance of and the current drawn by the 150-watt lightbulb,

More information

Q1. (a) The diagram shows the voltage-current graphs for three different electrical components.

Q1. (a) The diagram shows the voltage-current graphs for three different electrical components. Q. (a) The diagram shows the voltage-current graphs for three different electrical components. Which one of the components A, B or C could be a 3 volt filament lamp? Explain the reason for your choice...................

More information

7. What is the current in a circuit if 15 coulombs of electric charge move past a given point in 3 seconds? (1) 5 A (3) 18 A (2) 12 A (4) 45 A

7. What is the current in a circuit if 15 coulombs of electric charge move past a given point in 3 seconds? (1) 5 A (3) 18 A (2) 12 A (4) 45 A 1. Compared to the number of free electrons in a conductor, the number of free electrons in an insulator of the same volume is less the same greater 2. Most metals are good electrical conductors because

More information

Series and Parallel Circuits

Series and Parallel Circuits Series and Parallel Circuits Components in a circuit can be connected in series or parallel. A series arrangement of components is where they are inline with each other, i.e. connected end-to-end. A parallel

More information

Electricity Review-Sheet

Electricity Review-Sheet Name: ate: 1. The unit of electrical charge in the MKS system is the. volt. ampere. coulomb. mho 2. Which sketch best represents the charge distribution around a neutral electroscope when a positively

More information

AP Physics Electricity and Magnetism #4 Electrical Circuits, Kirchoff s Rules

AP Physics Electricity and Magnetism #4 Electrical Circuits, Kirchoff s Rules Name Period AP Physics Electricity and Magnetism #4 Electrical Circuits, Kirchoff s Rules Dr. Campbell 1. Four 240 Ω light bulbs are connected in series. What is the total resistance of the circuit? What

More information

Student Exploration: Circuits

Student Exploration: Circuits Name: Date: Student Exploration: Circuits Vocabulary: ammeter, circuit, current, ohmmeter, Ohm s law, parallel circuit, resistance, resistor, series circuit, voltage Prior Knowledge Questions (Do these

More information

Unit 7: Electric Circuits

Unit 7: Electric Circuits Multiple Choice Portion 1. The diagram below shows part of an electrical circuit. Unit 7: Electric Circuits 4. A 12 V battery supplies a 5.0 A current to two light bulbs as shown below. What are the magnitude

More information

Key Words to Know: (Check off the ones that you know and study the other ones!) Definitions/Related Words

Key Words to Know: (Check off the ones that you know and study the other ones!) Definitions/Related Words Unit 7 - Current Electricity Pre-Test Name: ----.J{.a.lE--1------- Focus Question for the Unit: How can electron flow be described and manipulated in a circuit? Key Words to Know: (Check off the ones that

More information

THE BREADBOARD; DC POWER SUPPLY; RESISTANCE OF METERS; NODE VOLTAGES AND EQUIVALENT RESISTANCE; THÉVENIN EQUIVALENT CIRCUIT

THE BREADBOARD; DC POWER SUPPLY; RESISTANCE OF METERS; NODE VOLTAGES AND EQUIVALENT RESISTANCE; THÉVENIN EQUIVALENT CIRCUIT THE BREADBOARD; DC POWER SUPPLY; RESISTANCE OF METERS; NODE VOLTAGES AND EQUIVALENT RESISTANCE; THÉVENIN EQUIVALENT CIRCUIT YOUR NAME LAB MEETING TIME Reference: C.W. Alexander and M.N.O Sadiku, Fundamentals

More information

PHYSICS 111 LABORATORY Experiment #3 Current, Voltage and Resistance in Series and Parallel Circuits

PHYSICS 111 LABORATORY Experiment #3 Current, Voltage and Resistance in Series and Parallel Circuits PHYSCS 111 LABORATORY Experiment #3 Current, Voltage and Resistance in Series and Parallel Circuits This experiment is designed to investigate the relationship between current and potential in simple series

More information

Question Bank. Electric Circuits, Resistance and Ohm s Law

Question Bank. Electric Circuits, Resistance and Ohm s Law Electric Circuits, Resistance and Ohm s Law. Define the term current and state its SI unit. Ans. The rate of flow of charge in an electric circuit is called current. Its SI unit is ampere. 2. (a) Define

More information

Chapter 11- Electricity

Chapter 11- Electricity Chapter 11- Electricity Course Content Definition of Electricity Circuit Diagrams Series and Parallel Circuits Calculating total resistances Measurement of Electricity Ammeters and Voltmeters Ohm s Law

More information

Chapter 13: Electric Circuits

Chapter 13: Electric Circuits Chapter 13: Electric Circuits 1. A household circuit rated at 120 Volts is protected by a fuse rated at 15 amps. What is the maximum number of 100 watt light bulbs which can be lit simultaneously in parallel

More information

Students will need about 30 minutes to complete these constructed response tasks.

Students will need about 30 minutes to complete these constructed response tasks. Electric Title of Circuits Concept Constructed Response Teacher Guide Students will need about 30 minutes to complete these constructed response tasks. Objectives assessed: Understand the functions of

More information

Electrical Circuit Calculations

Electrical Circuit Calculations Electrical Circuit Calculations Series Circuits Many circuits have more than one conversion device in them (i.e. toaster. heater. lamps etc.) and some have more than one source of electrical energy. If

More information

Experiment NO.3 Series and parallel connection

Experiment NO.3 Series and parallel connection Experiment NO.3 Series and parallel connection Object To study the properties of series and parallel connection. Apparatus 1. DC circuit training system 2. Set of wires. 3. DC Power supply 4. Digital A.V.O.

More information

Series and Parallel Resistive Circuits Physics Lab VIII

Series and Parallel Resistive Circuits Physics Lab VIII Series and Parallel Resistive Circuits Physics Lab VIII Objective In the set of experiments, the theoretical expressions used to calculate the total resistance in a combination of resistors will be tested

More information

The current that flows is determined by the potential difference across the conductor and the resistance of the conductor (Ohm s law): V = IR P = VI

The current that flows is determined by the potential difference across the conductor and the resistance of the conductor (Ohm s law): V = IR P = VI PHYS1000 DC electric circuits 1 Electric circuits Electric current Charge can move freely in a conductor if an electric field is present; the moving charge is an electric current (SI unit is the ampere

More information

Background: Electric resistance, R, is defined by:

Background: Electric resistance, R, is defined by: RESISTANCE & OHM S LAW (PART I and II) - 8 Objectives: To understand the relationship between applied voltage and current in a resistor and to verify Ohm s Law. To understand the relationship between applied

More information

13.10: How Series and Parallel Circuits Differ pg. 571

13.10: How Series and Parallel Circuits Differ pg. 571 13.10: How Series and Parallel Circuits Differ pg. 571 Key Concepts: 5. Connecting loads in series and parallel affects the current, potential difference, and total resistance. - Using your knowledge of

More information

Ohm's Law and Circuits

Ohm's Law and Circuits 2. Conductance, Insulators and Resistance A. A conductor in electricity is a material that allows electrons to flow through it easily. Metals, in general, are good conductors. Why? The property of conductance

More information

TOPIC 3.1: ELECTRIC CIRCUITS

TOPIC 3.1: ELECTRIC CIRCUITS TOPIC 3.1: ELECTRIC CIRCUITS S4P-3-1 S4P-3-2 S4P-3-3 S4P-3-4 S4P-3-5 S4P-3-6 Describe the origin of conventional current and relate its direction to the electron flow in a conductor. Describe the historical

More information

People s Physics Book

People s Physics Book The Big Ideas: The name electric current is given to the phenomenon that occurs when an electric field moves down a wire at close to the speed of light. Voltage is the electrical energy density (energy

More information

Circuit symbol. Each of the cells has a potential difference of 1.5 volts. Figure 1. Use the correct answer from the box to complete the sentence.

Circuit symbol. Each of the cells has a potential difference of 1.5 volts. Figure 1. Use the correct answer from the box to complete the sentence. Q.(a) Draw one line from each circuit symbol to its correct name. Circuit symbol Name Diode Light-dependent resistor (LDR) Lamp Light-emitting diode (LED) (3) Figure shows three circuits. The resistors

More information

Fig. 1 Analogue Multimeter Fig.2 Digital Multimeter

Fig. 1 Analogue Multimeter Fig.2 Digital Multimeter ELECTRICAL INSTRUMENT AND MEASUREMENT Electrical measuring instruments are devices used to measure electrical quantities such as electric current, voltage, resistance, electrical power and energy. MULTIMETERS

More information

Experiment #6, Series and Parallel Circuits, Kirchhoff s Laws

Experiment #6, Series and Parallel Circuits, Kirchhoff s Laws Physics 182 Spring 2013 Experiment #6 1 Experiment #6, Series and Parallel Circuits, Kirchhoff s Laws 1 Purpose Our purpose is to explore and validate Kirchhoff s laws as a way to better understanding

More information

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) If the voltage at a point in space is zero, then the electric field must be A) zero. B) positive.

More information

Schematic diagrams depict the construction of a circuit Uses symbols to represent specific circuit elements Documents how elements are connected so

Schematic diagrams depict the construction of a circuit Uses symbols to represent specific circuit elements Documents how elements are connected so Circuits Schematic diagrams depict the construction of a circuit Uses symbols to represent specific circuit elements Documents how elements are connected so that anyone reading diagram can understand the

More information

Capacitance, Resistance, DC Circuits

Capacitance, Resistance, DC Circuits This test covers capacitance, electrical current, resistance, emf, electrical power, Ohm s Law, Kirchhoff s Rules, and RC Circuits, with some problems requiring a knowledge of basic calculus. Part I. Multiple

More information

Objectives 200 CHAPTER 4 RESISTANCE

Objectives 200 CHAPTER 4 RESISTANCE Objectives Explain the differences among conductors, insulators, and semiconductors. Define electrical resistance. Solve problems using resistance, voltage, and current. Describe a material that obeys

More information

ElectronicsLab2.nb. Electronics Lab #2. Simple Series and Parallel Circuits

ElectronicsLab2.nb. Electronics Lab #2. Simple Series and Parallel Circuits Electronics Lab #2 Simple Series and Parallel Circuits The definitions of series and parallel circuits will be given in this lab. Also, measurements in very simple series and parallel circuits will be

More information

Two kinds of electrical charges

Two kinds of electrical charges ELECTRICITY NOTES Two kinds of electrical charges Positive charge Negative charge Electrons are negatively charged Protons are positively charged The forces from positive charges are canceled by forces

More information

Experiment 3 ~ Ohm's Law, Measurement of Voltage, Current and Resistance

Experiment 3 ~ Ohm's Law, Measurement of Voltage, Current and Resistance Experiment 3 ~ Ohm's Law, Measurement of Voltage, Current and Resistance Objective: In this experiment you will learn to use the multi-meter to measure voltage, current and resistance. Equipment: Bread

More information

Current Electricity Lab Series/Parallel Circuits. Safety and Equipment Precautions!

Current Electricity Lab Series/Parallel Circuits. Safety and Equipment Precautions! Current Electricity Lab Series/Parallel Circuits Name Safety and Equipment Precautions! Plug in your power supply and use ONLY the D.C. terminals of the power source, NOT the A. C. terminals. DO NOT touch

More information

ANSWERS to CIRCUITS V

ANSWERS to CIRCUITS V 1 ANSWERS to CIRCUITS 1. The speed with which electrons move through a copper wire is typically 10-4 m s -1. a. Explain why is it that the electrons cannot travel faster in the conductor? b. Explain why

More information

EDEXCEL NATIONAL CERTIFICATE/DIPLOMA UNIT 5 - ELECTRICAL AND ELECTRONIC PRINCIPLES NQF LEVEL 3 OUTCOME 1 - D.C. CIRCUITS

EDEXCEL NATIONAL CERTIFICATE/DIPLOMA UNIT 5 - ELECTRICAL AND ELECTRONIC PRINCIPLES NQF LEVEL 3 OUTCOME 1 - D.C. CIRCUITS EDEXCEL NATIONAL CERTIFICATE/DIPLOMA UNIT 5 - ELECTRICAL AND ELECTRONIC PRINCIPLES NQF LEVEL 3 OUTCOME - D.C. CIRCUITS Be able to use circuit theory to determine voltage, current and resistance in direct

More information

The diagram shows a negatively charged plastic rod held near to a thin stream of water. The water is attracted towards the rod.

The diagram shows a negatively charged plastic rod held near to a thin stream of water. The water is attracted towards the rod. Current electricity exam qs C grade Madeley High School Q.(a) The diagram shows a negatively charged plastic rod held near to a thin stream of water. The water is attracted towards the rod. Which one of

More information

Physics Worksheet Electric Circuits Section: Name: Series Circuits

Physics Worksheet Electric Circuits Section: Name: Series Circuits Do Now: (1) What is electric circuit? (2) Convert the following picture into schematic diagram. Series Circuits 4. Label every component of the circuit; identify each of the voltage and current. 5. Relation

More information

Tristan s Guide to: Solving Series Circuits. Version: 1.0 Written in 2006. Written By: Tristan Miller Tristan@CatherineNorth.com

Tristan s Guide to: Solving Series Circuits. Version: 1.0 Written in 2006. Written By: Tristan Miller Tristan@CatherineNorth.com Tristan s Guide to: Solving Series Circuits. Version: 1.0 Written in 2006 Written By: Tristan Miller Tristan@CatherineNorth.com Series Circuits. A Series circuit, in my opinion, is the simplest circuit

More information

Electricity CHAPTER 12 12.1 ELECTRIC CURRENT AND CIRCUIT

Electricity CHAPTER 12 12.1 ELECTRIC CURRENT AND CIRCUIT CHAPTER 12 Electricity Electricity has an important place in modern society. It is a controllable and convenient form of energy for a variety of uses in homes, schools, hospitals, industries and so on.

More information

Chapter 18: Circuits and Circuit Elements 1. Schematic diagram: diagram that depicts the construction of an electrical apparatus

Chapter 18: Circuits and Circuit Elements 1. Schematic diagram: diagram that depicts the construction of an electrical apparatus Chapter 18: Circuits and Circuit Elements 1 Section 1: Schematic Diagrams and Circuits Schematic Diagrams Schematic diagram: diagram that depicts the construction of an electrical apparatus Uses symbols

More information

Electrical Measurements

Electrical Measurements Electrical Measurements Experimental Objective The objective of this experiment is to become familiar with some of the electrical instruments. You will gain experience by wiring a simple electrical circuit

More information

Objectives. to understand how to use a voltmeter to measure voltage

Objectives. to understand how to use a voltmeter to measure voltage UNIT 10 MEASUREMENTS OF VOLTAGE (from Lillian C. McDermott and the Physics Education Group, Physics by Inquiry Volume II, John Wiley and Sons, NY, 1996) Objectives to understand how to use a voltmeter

More information

Experiment #5, Series and Parallel Circuits, Kirchhoff s Laws

Experiment #5, Series and Parallel Circuits, Kirchhoff s Laws Physics 182 Summer 2013 Experiment #5 1 Experiment #5, Series and Parallel Circuits, Kirchhoff s Laws 1 Purpose Our purpose is to explore and validate Kirchhoff s laws as a way to better understanding

More information

Electric Potential Difference

Electric Potential Difference Name: Electric Potential Difference Read from Lesson 1 of the Current Electricity chapter at The Physics Classroom: http://www.physicsclassroom.com/class/circuits/u9l1a.html http://www.physicsclassroom.com/class/circuits/u9l1b.html

More information

Resistors in Series and Parallel Circuits

Resistors in Series and Parallel Circuits 69 Resistors in Series and Parallel Circuits E&M: Series and parallel circuits Equipment List DataStudio file: Not Required Qty s Part Numbers 1 C/DC Electronics Lab EM-8656 2 D cell 1.5 volt Introduction

More information

Analog and Digital Meters

Analog and Digital Meters Analog and Digital Meters Devices and Measurements Objective At the conclusion of this presentation the student will describe and identify: Safety precautions when using test equipment Analog Multimeters

More information

ELECTRICAL CIRCUITS. Electrical Circuits

ELECTRICAL CIRCUITS. Electrical Circuits Electrical Circuits A complete path, or circuit, is needed before voltage can cause a current flow through resistances to perform work. There are several types of circuits, but all require the same basic

More information

Science AS90191 Describe Aspects of Physics.

Science AS90191 Describe Aspects of Physics. Circuits and components Science AS90191 Describe Aspects of Physics. An electric current is the movement of electrons (negatively charged particles). A circuit is made up of components connected together

More information

Current, Resistance and Electromotive Force. Young and Freedman Chapter 25

Current, Resistance and Electromotive Force. Young and Freedman Chapter 25 Current, Resistance and Electromotive Force Young and Freedman Chapter 25 Electric Current: Analogy, water flowing in a pipe H 2 0 gallons/minute Flow Rate is the NET amount of water passing through a

More information

COMPOUND CIRCUITS. Voltage (volts) Across Bulb B. Across the Battery. Across Bulb A. Current (amperes) Between A & B. Between Battery & B

COMPOUND CIRCUITS. Voltage (volts) Across Bulb B. Across the Battery. Across Bulb A. Current (amperes) Between A & B. Between Battery & B OMPOUN IUITS LOGGING ON Go to www.explorelearning.com and log in using your Username and Password. Select rowse Gizmos icon at the upper left. Select Grades 9 2 Physics Select Electricity and Magnetism

More information

R A _ + Figure 2: DC circuit to verify Ohm s Law. R is the resistor, A is the Ammeter, and V is the Voltmeter. A R _ +

R A _ + Figure 2: DC circuit to verify Ohm s Law. R is the resistor, A is the Ammeter, and V is the Voltmeter. A R _ + Physics 221 Experiment 3: Simple DC Circuits and Resistors October 1, 2008 ntroduction n this experiment, we will investigate Ohm s Law, and study how resistors behave in various combinations. Along the

More information

Light Bulbs in Parallel Circuits

Light Bulbs in Parallel Circuits Light Bulbs in Parallel Circuits In the last activity, we analyzed several different series circuits. In a series circuit, there is only one complete pathway for the charge to travel. Here are the basic

More information

Student Content Brief Advanced Level

Student Content Brief Advanced Level Student Content Brief Advanced Level Electric Circuits Background Information There are a variety of forces acting on the body of the Sea Perch. One important force is pushing electrons through the wires

More information

Storing And Releasing Charge In A Circuit

Storing And Releasing Charge In A Circuit Storing And Releasing Charge In A Circuit Topic The characteristics of capacitors Introduction A capacitor is a device that can retain and release an electric charge, and is used in many circuits. There

More information

1. The diagram below represents magnetic lines of force within a region of space.

1. The diagram below represents magnetic lines of force within a region of space. 1. The diagram below represents magnetic lines of force within a region of space. 4. In which diagram below is the magnetic flux density at point P greatest? (1) (3) (2) (4) The magnetic field is strongest

More information

= (0.400 A) (4.80 V) = 1.92 W = (0.400 A) (7.20 V) = 2.88 W

= (0.400 A) (4.80 V) = 1.92 W = (0.400 A) (7.20 V) = 2.88 W Physics 2220 Module 06 Homework 0. What are the magnitude and direction of the current in the 8 Ω resister in the figure? Assume the current is moving clockwise. Then use Kirchhoff's second rule: 3.00

More information

Tutorial 12 Solutions

Tutorial 12 Solutions PHYS000 Tutorial 2 solutions Tutorial 2 Solutions. Two resistors, of 00 Ω and 200 Ω, are connected in series to a 6.0 V DC power supply. (a) Draw a circuit diagram. 6 V 00 Ω 200 Ω (b) What is the total

More information

Tristan s Guide to: Solving Parallel Circuits. Version: 1.0 Written in 2006. Written By: Tristan Miller Tristan@CatherineNorth.com

Tristan s Guide to: Solving Parallel Circuits. Version: 1.0 Written in 2006. Written By: Tristan Miller Tristan@CatherineNorth.com Tristan s Guide to: Solving Parallel Circuits. Version: 1.0 Written in 2006 Written By: Tristan Miller Tristan@CatherineNorth.com Parallel Circuits. Parallel Circuits are a little bit more complicated

More information

1) ASSOCIATE ELEMENTARY PARTICLES WITH THEIR ELECTRICAL CHARGE

1) ASSOCIATE ELEMENTARY PARTICLES WITH THEIR ELECTRICAL CHARGE Name Date STUDY GUIDE CHAPTER 5 ELECTRICITY AND MAGNETISM 1) ASSOCIATE ELEMENTARY PARTICLES WITH THEIR ELECTRICAL CHARGE Scientists now know that an atom is composed of even smaller particles of matter:

More information

Equipment: Power Supply, DAI, Variable resistance (8311), Variable inductance (8321)

Equipment: Power Supply, DAI, Variable resistance (8311), Variable inductance (8321) Lab 4: 3-phase circuits. Objective: to study voltage-current relationships in 3-phase circuits; to learn to make delta and Y connections; to calculate and measure real, apparent, and reactive powers. Equipment:

More information

Series and Parallel Circuits

Series and Parallel Circuits Direct Current (DC) Direct current (DC) is the unidirectional flow of electric charge. The term DC is used to refer to power systems that use refer to the constant (not changing with time), mean (average)

More information

Parallel DC circuits

Parallel DC circuits Parallel DC circuits This worksheet and all related files are licensed under the Creative Commons Attribution License, version 1.0. To view a copy of this license, visit http://creativecommons.org/licenses/by/1.0/,

More information

DC Circuits (Combination of resistances)

DC Circuits (Combination of resistances) Name: Partner: Partner: Partner: DC Circuits (Combination of resistances) EQUIPMENT NEEDED: Circuits Experiment Board One Dcell Battery Wire leads Multimeter 100, 330, 1k resistors Purpose The purpose

More information

Section 1 Current and Circuits: Practice Problems

Section 1 Current and Circuits: Practice Problems Section 1 Current and Circuits: Practice Problems 1. A car battery causes a current through a lamp and produces 12 V across it as shown in Figure 4. What is the power used by the lamp? P = IV = (2.0 A)(12

More information

Electrical Fundamentals Module 3: Parallel Circuits

Electrical Fundamentals Module 3: Parallel Circuits Electrical Fundamentals Module 3: Parallel Circuits PREPARED BY IAT Curriculum Unit August 2008 Institute of Applied Technology, 2008 ATE310- Electrical Fundamentals 2 Module 3 Parallel Circuits Module

More information

Resistors in Series and Parallel

Resistors in Series and Parallel Resistors in Series and Parallel Bởi: OpenStaxCollege Most circuits have more than one component, called a resistor that limits the flow of charge in the circuit. A measure of this limit on charge flow

More information

Ch. 20 Electric Circuits

Ch. 20 Electric Circuits Ch. 0 Electric Circuits 0. Electromotive Force Every electronic device depends on circuits. Electrical energy is transferred from a power source, such as a battery, to a device, say a light bulb. Conducting

More information

Chapter 7 Direct-Current Circuits

Chapter 7 Direct-Current Circuits Chapter 7 Direct-Current Circuits 7. Introduction...7-7. Electromotive Force...7-3 7.3 Resistors in Series and in Parallel...7-5 7.4 Kirchhoff s Circuit Rules...7-7 7.5 Voltage-Current Measurements...7-9

More information

CLASS TEST GRADE 11. PHYSICAL SCIENCES: PHYSICS Test 3: Electricity and magnetism

CLASS TEST GRADE 11. PHYSICAL SCIENCES: PHYSICS Test 3: Electricity and magnetism CLASS TEST GRADE 11 PHYSICAL SCIENCES: PHYSICS Test 3: Electricity and magnetism MARKS: 45 TIME: 1 hour INSTRUCTIONS AND INFORMATION 1. Answer ALL the questions. 2. You may use non-programmable calculators.

More information

SIMPLE ELECTRIC CIRCUITS

SIMPLE ELECTRIC CIRCUITS -18- Preparatory Questions: (also read this guide sheet, which contains some of the answers!) 1. State Ohm s Law, defining every term in the equation. 2. If a bulb connected directly to a 6 V battery glows

More information

Electronics. Basic Concepts. Yrd. Doç. Dr. Aytaç GÖREN Yrd. Doç. Dr. Levent ÇETİN

Electronics. Basic Concepts. Yrd. Doç. Dr. Aytaç GÖREN Yrd. Doç. Dr. Levent ÇETİN Electronics Basic Concepts Electric charge Ordinary matter is made up of atoms which have positively charged nuclei and negatively charged electrons surrounding them. Charge is quantized as the subtraction

More information

Σ I in = Σ I out E = IR 1 + IR 2 FXA 2008 KIRCHHOFF S LAWS 1. Candidates should be able to : LAW 1 (K1)

Σ I in = Σ I out E = IR 1 + IR 2 FXA 2008 KIRCHHOFF S LAWS 1. Candidates should be able to : LAW 1 (K1) UNT G482 Module 3 2.3.1 Series & Parallel Circuits Candidates should be able to : KRCHHOFF S LAWS 1 LAW 1 (K1) State Kirchhoff s second law and appreciate that it is a consequence of conservation of energy.

More information

3.- What atom s particle moves through a conductor material? 4.- Which are the electric components of an elemental electric circuit?

3.- What atom s particle moves through a conductor material? 4.- Which are the electric components of an elemental electric circuit? 1.- What is electricity? 2.- Write down the name of the atom s particles. 3.- What atom s particle moves through a conductor material? 4.- Which are the electric components of an elemental electric circuit?

More information

Lab 3 - DC Circuits and Ohm s Law

Lab 3 - DC Circuits and Ohm s Law Lab 3 DC Circuits and Ohm s Law L3-1 Name Date Partners Lab 3 - DC Circuits and Ohm s Law OBJECTIES To learn to apply the concept of potential difference (voltage) to explain the action of a battery in

More information

Kirchhoff's Rules and Applying Them

Kirchhoff's Rules and Applying Them [ Assignment View ] [ Eðlisfræði 2, vor 2007 26. DC Circuits Assignment is due at 2:00am on Wednesday, February 21, 2007 Credit for problems submitted late will decrease to 0% after the deadline has passed.

More information

Basic Ohm s Law & Series and Parallel Circuits

Basic Ohm s Law & Series and Parallel Circuits 2:256 Let there be no compulsion in religion: Truth stands out clear from Error: whoever rejects evil and believes in Allah hath grasped the most trustworthy hand-hold that never breaks. And Allah heareth

More information

Apprentice Electrical Technician Test (ETT) Preparation Guide

Apprentice Electrical Technician Test (ETT) Preparation Guide Apprentice Electrical Technician Test (ETT) Preparation Guide APPRENTICE ELECTRICAL TECHNICIAN TEST (ETT) About the Test There are 40 questions with a maximum time limit of three hours. This is a closed

More information

Lab 2: Resistance, Current, and Voltage

Lab 2: Resistance, Current, and Voltage 2 Lab 2: Resistance, Current, and Voltage I. Before you come to la.. A. Read the following chapters from the text (Giancoli): 1. Chapter 25, sections 1, 2, 3, 5 2. Chapter 26, sections 1, 2, 3 B. Read

More information

Objectives. Electric Current

Objectives. Electric Current Objectives Define electrical current as a rate. Describe what is measured by ammeters and voltmeters. Explain how to connect an ammeter and a voltmeter in an electrical circuit. Explain why electrons travel

More information

The University of the State of New York REGENTS HIGH SCHOOL EXAMINATION PHYSICAL SETTING PHYSICS. Friday, June 20, 2014 1:15 to 4:15 p.m.

The University of the State of New York REGENTS HIGH SCHOOL EXAMINATION PHYSICAL SETTING PHYSICS. Friday, June 20, 2014 1:15 to 4:15 p.m. P.S./PHYSICS The University of the State of New York REGENTS HIGH SCHOOL EXAMINATION PHYSICAL SETTING PHYSICS Friday, June 20, 2014 1:15 to 4:15 p.m., only The possession or use of any communications device

More information

Specific resistance of conductors

Specific resistance of conductors Specific resistance of conductors This worksheet and all related files are licensed under the Creative Commons Attribution License, version 1.0. To view a copy of this license, visit http://creativecommons.org/licenses/by/1.0/,

More information

Electrotechnology. Total marks 80. Section I Pages marks Attempt Questions 1 15 Allow about 20 minutes for this section

Electrotechnology. Total marks 80. Section I Pages marks Attempt Questions 1 15 Allow about 20 minutes for this section 2011 HIGHER SCHOOL CERTIFICATE EXAMINATION Electrotechnology Total marks 80 Section I Pages 2 4 General Instructions Reading time 5 minutes Working time 2 hours Write using black pen or blue pen Black

More information

Measuring Electric Phenomena: the Ammeter and Voltmeter

Measuring Electric Phenomena: the Ammeter and Voltmeter Measuring Electric Phenomena: the Ammeter and Voltmeter 1 Objectives 1. To understand the use and operation of the Ammeter and Voltmeter in a simple direct current circuit, and 2. To verify Ohm s Law for

More information

EXPERIMENT 7 OHM S LAW, RESISTORS IN SERIES AND PARALLEL

EXPERIMENT 7 OHM S LAW, RESISTORS IN SERIES AND PARALLEL 260 7- I. THEOY EXPEIMENT 7 OHM S LAW, ESISTOS IN SEIES AND PAALLEL The purposes of this experiment are to test Ohm's Law, to study resistors in series and parallel, and to learn the correct use of ammeters

More information

PHYSICS REFERENCE STUDY MATERIAL. for. Summative Assessment -I CLASS X 2014 15 CHAPTER WISE CONCEPTS, FORMULAS AND NUMERICALS INLCUDING HOTS PROBLEMS

PHYSICS REFERENCE STUDY MATERIAL. for. Summative Assessment -I CLASS X 2014 15 CHAPTER WISE CONCEPTS, FORMULAS AND NUMERICALS INLCUDING HOTS PROBLEMS PHYSICS REFERENCE STUDY MATERIAL for Summative Assessment -I CLASS X 2014 15 CHAPTER WISE CONCEPTS, FORMULAS AND NUMERICALS INLCUDING HOTS PROBLEMS Prepared by M. S. KUMARSWAMY, TGT(MATHS) M. Sc. Gold

More information

CURRENT ELECTRICITY INTRODUCTION TO RESISTANCE, CAPACITANCE AND INDUCTANCE

CURRENT ELECTRICITY INTRODUCTION TO RESISTANCE, CAPACITANCE AND INDUCTANCE CURRENT ELECTRICITY INTRODUCTION TO RESI STANCE, CAPACITANCE AND INDUCTANCE P R E A M B L E This problem is adapted from an on-line knowledge enhancement module for a PGCE programme. It is used to cover

More information

How Does it Flow? Electricity, Circuits, and Motors

How Does it Flow? Electricity, Circuits, and Motors How Does it Flow? Electricity, Circuits, and Motors Introduction In this lab, we will investigate the behavior of some direct current (DC) electrical circuits. These circuits are the same ones that move

More information

Circuits and Resistivity

Circuits and Resistivity Circuits and Resistivity Look for knowledge not in books but in things themselves. W. Gilbert OBJECTIVES To learn the use of several types of electrical measuring instruments in DC circuits. To observe

More information

R C DMM. b a. Power Supply. b a. Power Supply DMM. Red + Black - Red + Black -

R C DMM. b a. Power Supply. b a. Power Supply DMM. Red + Black - Red + Black - Sample Lab Report - PHYS 231 The following is an example of a well-written report that might be submitted by a PHYS 231 student. It begins with a short statement of what is being measured, and why. The

More information

Kirchhoff s Voltage Law and RC Circuits

Kirchhoff s Voltage Law and RC Circuits Kirchhoff s oltage Law and RC Circuits Apparatus 2 1.5 batteries 2 battery holders DC Power Supply 1 multimeter 1 capacitance meter 2 voltage probes 1 long bulb and 1 round bulb 2 sockets 1 set of alligator

More information

Note-A-Rific: Characteristics

Note-A-Rific: Characteristics Note-A-Rific: Characteristics Any path along which electrons can flow is a circuit. For a continuous flow of electrons, there must be a complete circuit with no gaps. A gap is usually an electric switch

More information

Electrical Circuit Theory

Electrical Circuit Theory Electrical Circuit Theory Learning Objectives: 1. Review the basic electrical concepts of voltage, amperage, and resistance. 2. Review the components of a basic automotive electrical circuit. 3. Introduce

More information

ELECTRICITY: CIRCUIT QUESTIONS

ELECTRICITY: CIRCUIT QUESTIONS ELECTRICITY: CIRCUIT QUESTIONS Resistors in a DC circuit (2014;2) Sandra is investigating electrical circuits in the lab. She connects various resistors in combination. The current drawn from the supply

More information

AP1 Electricity. 1. A student wearing shoes stands on a tile floor. The students shoes do not fall into the tile floor due to

AP1 Electricity. 1. A student wearing shoes stands on a tile floor. The students shoes do not fall into the tile floor due to 1. A student wearing shoes stands on a tile floor. The students shoes do not fall into the tile floor due to (A) a force of repulsion between the shoes and the floor due to macroscopic gravitational forces.

More information

Lab #2: Non-Ideal Sources and Renewable Energy Sources

Lab #2: Non-Ideal Sources and Renewable Energy Sources Lab #2: Non-Ideal Sources and Renewable Energy Sources Theory & Introduction Goals for Lab #2 The goals for this lab are to introduce you to the limitations of real power sources and compare them to the

More information

Capacitance. Apparatus: RC (Resistor-Capacitor) circuit box, voltmeter, power supply, cables

Capacitance. Apparatus: RC (Resistor-Capacitor) circuit box, voltmeter, power supply, cables apacitance Objective: To observe the behavior of a capacitor charging and discharging through a resistor; to determine the effective capacitance when capacitors are connected in series or parallel. Apparatus:

More information

Answer, Key Homework 11 David McIntyre 1 1 A

Answer, Key Homework 11 David McIntyre 1 1 A nswer, Key Homework 11 avid Mcntyre 1 This print-out should have 36 questions, check that it is complete. Multiple-choice questions may continue on the next column or page: find all choices before making

More information

Maximum value. resistance. 1. Connect the Current Probe to Channel 1 and the Differential Voltage Probe to Channel 2 of the interface.

Maximum value. resistance. 1. Connect the Current Probe to Channel 1 and the Differential Voltage Probe to Channel 2 of the interface. Series and Parallel Circuits Computer 23 Components in an electrical circuit are in series when they are connected one after the other, so that the same current flows through both of them. Components are

More information