s_5xut Page 1 Physics Samples
|
|
- Shanon Waters
- 7 years ago
- Views:
Transcription
1 Physics Samples E&M Unit 1. Two metal spheres having charges of +4.0 x 10 6 coulomb and +2.0 x 10 5 coulomb, respectively, are brought into contact and then separated. After separation, the charge on each sphere Name Per Date 6. Twenty-four joules of energy expended in moving 2 coulombs of charge a dtance of 3 meters in an electric field. What the potential difference through which the charge moved (A) 8.0 x C (C) 2.1 x 10 6 C (A) 48 V (C) 12 V (B) 8.0 x 10 6 C (D) 1.2 x 10 5 C (B) 16 V (D) 4.0 V 2. The charge-to-mass ratio of an electron (A) 9.1 x C/kg (C) 5.7 x C/kg (B) 1.6 x C/kg (D) 1.8 x C/kg 3. An electron located 1.0 meter from a +2.0-coulomb charge, as shown in the diagram below. 7. Most metals are good electrical conductors because (A) their molecules are close together (B) they have high melting points (C) they have many intermolecular spaces through which the current can flow (D) they have a large number of free electrons 8. As the value of a variable restor increased, while voltage held constant, the current flow in the restor will (A) decrease (C) remain the same (B) increase 9. A lightning bolt transfers 6.0 coulombs of charge from a cloud to the ground in second. What the average current during th event (A) A (B) A (C) A (D) A The electrostatic force acting on the electron directed toward point 4. Two charges that are 2 meters apart repel each other with a force of 2 x 10 5 Newton. If the dtance between the charges decreased to 1 meter, the force of repulsion will be (A) 1 x 10 5 N (C) 8 x 10 5 N (B) 5 x 10 6 N (D) 4 x 10 5 N 10. A piece of wire has a restance of 8 ohms. A second piece of wire of the same composition, diameter, and temperature, but one-half as long as the first wire, has a restance of (A) 8 Ω (C) 16 Ω (B) 2 Ω (D) 4 Ω 11. The restance of a copper wire measured to be 4 ohms at 20ºC. If the wire heated to 30ºC, the restance of the wire will be (A) zero ohms (C) more than 4 ohms 5. A point charge of +3.0 x 10-7 coulomb placed 2.0 x 10-2 meter from a second point charge of +4.0 x 10-7 coulomb. The magnitude of the electrostatic force between the charges (B) less than 4 ohms (D) 4 ohms (A) 2.7 N (B) 5.4 x 10-2 N (C) 3.0 x N (D) 6.0 x N s_5xut Page 1
2 12. The graph below represents the relationship between potential difference and current for four different restors. Which restor has the greatest restance 16. In the circuit shown below, voltmeter V 2 reads 80. volts. 13. If the current in a wire 2.0 amperes and the potential difference across the wire 10. volts, what the restance of the wire (A) 5.0 Ω (C) 12 Ω (B) 8.0 Ω (D) 20 Ω 14. If the potential difference across a 30.-ohm restor 10. volts, what the current through the restor (A) 0.25 A (C) 3.0 A (B) 0.33 A (D) 0.50 A 15. Which voltage would cause a current of 0.5 ampere in a circuit that has a restance of 24 ohms (A) 6.0 V (C) 24 V (B) 12 V (D) 48 V What the reading of voltmeter V 1 (A) 160 V (C) 40. V (B) 80. V (D) 20. V 17. Which circuit segment below has the same total restance as the circuit segment shown in the diagram to the right (A) (B) (C) (D) s_5xut Page 2
3 18. Ammeters A 1, A 2 and A 3 are placed in a circuit as shown below. 23. The diagram below represents lines of magnetic flux within a region of space. What the reading on ammeter A 3 (A) 1.0 A (C) 3.0 A (B) 2.0 A (D) 5.0 A 19. Two restors are connected in parallel to a 12-volt battery as shown in the diagram. The magnetic field strength greatest at point 24. The diagram below shows the magnetic field that results when a piece of iron placed between unlike magnetic poles. If the current in restance R 3.0 amperes, the rate at which R consumes electrical energy (A) 1.1 x 10 2 W (C) 24 W (B) 36 W (D) 4.0 W 20. An electric motor draws 150 amperes of current while operating at 240 volts. What the power rating of th motor (A) 1.6 W (C) W (B) W (D) W 21. The heating element on an electric stove dsipates watts of power when connected to a 120-volt source. What the electrical restance of th heating element (A).028 Ω (C) 3.3 Ω (B).60 Ω (D) 36 Ω At which point the magnetic field strength greatest 25. Which diagram best illustrates the direction of the magnetic field between the unlike poles of two bar magnets (A) (C) (B) (D) 22. An electric dryer consumes 6.0 x 10 6 joules of energy when operating at 220 volts for 30. minutes (1800 seconds). During operation, the dryer draws a current of approximately (A) 10. A (C) 20. A (B) 15 A (D) 25 A s_5xut Page 3
4 26. An electron current (e ) moving upward through a straight conductor creates a magnetic field. Which diagram below correctly represents th magnetic field (A) (C) 29. The diagram to the right represents a conductor carrying a current in which the electron flow from left to right. The conductor located in a magnetic field which directed into the page. (B) (D) The direction of the magnetic force on the conductor will be (A) into the page (B) out of the page (C) toward the top of the page (D) toward the bottom of the page 27. Electrons flow in a loop of wire as shown in the diagram. What the direction of the magnetic field at point A Base your answers to questions 30 through 33 on the diagram below. The reading of voltmeter V 1 26 volts, and the reading of ammeter A 1 2 amperes. (A) into the paper (B) out of the paper (C) toward the left (D) toward the right 28. The accompanying diagram shows an electron moving through a magnetic field. 30. What the reading of voltmeter V 2 (A) 52 V (C) 13 V (B) 26 V (D) 8 V If the electron moving out of the page, in which direction will it be deflected by the magnetic field (A) toward the top of the page (B) toward the bottom of the page (C) to the left (D) to the right 31. What the total restance of the circuit (A) ¾ Ω (C) 10 Ω (B) 4/3 Ω (D) 13 Ω 32. The reading of ammeter A 2 (A) 6 A (C) 3 A (B) 2 A (D) 52 A s_5xut Page 4
5 33. If additional restances are added in series and the applied voltage kept constant, the reading of voltmeter V 3 will (A) decrease (C) remain the same (B) increase Base your answers to questions 39 through 43 on the electric circuit below. The switch in the open position. Base your answers to questions 34 through 38 on the diagram below which represents an electrical circuit. 39. What the reading of ammeter A 1 (A) 1/6 ampere (C) 60. amperes (B) 6.0 amperes (D) 600 amperes 34. The equivalent restance of the circuit (A) 25 Ω (C) 5.0 Ω (B) 6.0 Ω (D) 0.17 Ω 35. The potential difference across R 2 (A) 1.0 V (C) 10. V (B) 2.0 V (D) 12 V 36. The magnitude of the current in ammeter A 1 (A) 120 A (C) 1.2 A (B) 2.0 A (D) 0.83 A 37. Compared to the current in A 1, the current in A 2 (A) less (C) the same (B) greater 38. If another restance were added to the circuit in parallel, the equivalent restance of the circuit (A) decrease (C) remain the same (B) increase 40. What the reading of ammeter A 2 (A) 9.0 amperes (C) 12 amperes (B) 2.0 amperes (D) 18 amperes 41. What power developed in the 10.-ohm restor (A) 600 watts (C) 60. watts (B) 360 watts (D) 6.0 watts 42. Compared to the potential drop across the 10.-ohm restor, the potential drop across the 20.-ohm restor (A) less (C) the same (B) greater 43. Compared to the current passing through ammeter A 1 when the switch open, the current passing through ammeter A 1 when the switch closed will be (A) less (C) the same (B) greater 44. Which segment of copper wire has the highest restance at room temperature (A) 1.0 m length, 1.0 x 10 6 m 2 cross-sectional (B) 2.0 m length, 1.0 x 10 6 m 2 cross-sectional (C) 1.0 m length, 3.0 x 10 6 m 2 cross-sectional (D) 2.0 m length, 3.0 x 10 6 m 2 cross-sectional s_5xut Page 5
6 45. If both the cross-sectional and the length of a metallic conductor were doubled, the restance of the conductor would be (A) halved (C) unchanged (B) doubled (D) quadrupled 50. the diagram below. 46. The ratio of the potential difference across a metallic conductor to the current in the conductor known as (A) potential drop (C) restance (B) conductivity (D) electromagnetic force 47. A wire carries a current of 6.0 amperes. How much charge passes a point in the wire in 120 seconds (A) 6.0 C (C) 360 C (B) 20. C (D) 720 C The total restance in the circuit (A) 9 Ω (C) 3 Ω (B) 6 Ω (D) less than 3 Ω 48. Base your answer to the following question on the diagram below. What the total restance of the circuit (A) 6.6 Ω (C) 20 Ω (B) 10 Ω (D) 30 Ω 49. When the circuit shown below completed what will be the reading on the ammeter at B (A) less than the reading at A (B) greater than the reading at A (C) the same as the reading at A s_5xut Page 6
7 Physics Samples E&M Unit Name Per Date 1. D 2. D 3. D 4. C 5. A 6. C 7. D 8. A 9. C 10. D 11. C 12. D 13. A 14. B 15. B 16. A 17. B 18. A 19. B 20. C 21. D 22. B 23. B 24. C 25. B Answer Key 26. D 27. B 28. A 29. D 30. D 31. D 32. B 33. A 34. B 35. D 36. C 37. A 38. A 39. B 40. A 41. B 42. C 43. C 44. B 45. C 46. C 47. D 48. D 49. C 50. D s_5xut
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 information1. 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 informationSTUDY GUIDE: ELECTRICITY AND MAGNETISM
319 S. Naperville Road Wheaton, IL 60187 www.questionsgalore.net Phone: (630) 580-5735 E-Mail: info@questionsgalore.net Fax: (630) 580-5765 STUDY GUIDE: ELECTRICITY AND MAGNETISM An atom is made of three
More informationPHYSICS 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 informationPS-6.2 Explain the factors that determine potential and kinetic energy and the transformation of one to the other.
PS-6.1 Explain how the law of conservation of energy applies to the transformation of various forms of energy (including mechanical energy, electrical energy, chemical energy, light energy, sound energy,
More informationMULTIPLE 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 informationObjectives 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 informationObjectives. Capacitors 262 CHAPTER 5 ENERGY
Objectives Describe a capacitor. Explain how a capacitor stores energy. Define capacitance. Calculate the electrical energy stored in a capacitor. Describe an inductor. Explain how an inductor stores energy.
More informationReview Questions PHYS 2426 Exam 2
Review Questions PHYS 2426 Exam 2 1. If 4.7 x 10 16 electrons pass a particular point in a wire every second, what is the current in the wire? A) 4.7 ma B) 7.5 A C) 2.9 A D) 7.5 ma E) 0.29 A Ans: D 2.
More informationObjectives. 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 informationChapter 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 informationOhm'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 informationPeople 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 informationIntroduction to Electricity & Magnetism. Dr Lisa Jardine-Wright Cavendish Laboratory
Introduction to Electricity & Magnetism Dr Lisa Jardine-Wright Cavendish Laboratory Examples of uses of electricity Christmas lights Cars Electronic devices Human body Electricity? Electricity is the presence
More informationCurrent, 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 information101 BASICS SERIES LEARNING MODULE 2: FUNDAMENTALS OF ELECTRICITY. Cutler-Hammer
101 BASICS SERIES LEARNING MODULE 2: FUNDAMENTALS OF ELECTRICITY Cutler-Hammer WELCOME Welcome to Module 2, Fundamentals of Electricity. This module will cover the fundamentals of electricity in a practical
More informationCircuit 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 informationELECTRICAL FUNDAMENTALS
General Electricity is a form of energy called electrical energy. It is sometimes called an "unseen" force because the energy itself cannot be seen, heard, touched, or smelled. However, the effects of
More informationLast Name: First Name: Physics 102 Spring 2006: Exam #2 Multiple-Choice Questions 1. A charged particle, q, is moving with speed v perpendicular to a uniform magnetic field. A second identical charged
More information3.- 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 informationSeries 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 informationElectronics. 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 informationResistors 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 informationThe 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 informationDIRECT CURRENT GENERATORS
DIRECT CURRENT GENERATORS Revision 12:50 14 Nov 05 INTRODUCTION A generator is a machine that converts mechanical energy into electrical energy by using the principle of magnetic induction. This principle
More informationDigital Energy ITI. Instrument Transformer Basic Technical Information and Application
g Digital Energy ITI Instrument Transformer Basic Technical Information and Application Table of Contents DEFINITIONS AND FUNCTIONS CONSTRUCTION FEATURES MAGNETIC CIRCUITS RATING AND RATIO CURRENT TRANSFORMER
More information104 Practice Exam 2-3/21/02
104 Practice Exam 2-3/21/02 1. Two electrons are located in a region of space where the magnetic field is zero. Electron A is at rest; and electron B is moving westward with a constant velocity. A non-zero
More informationAP1 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 informationInductors & Inductance. Electronic Components
Electronic Components Induction In 1824, Oersted discovered that current passing though a coil created a magnetic field capable of shifting a compass needle. Seven years later, Faraday and Henry discovered
More informationInduced voltages and Inductance Faraday s Law
Induced voltages and Inductance Faraday s Law concept #1, 4, 5, 8, 13 Problem # 1, 3, 4, 5, 6, 9, 10, 13, 15, 24, 23, 25, 31, 32a, 34, 37, 41, 43, 51, 61 Last chapter we saw that a current produces a magnetic
More informationCLASS 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 informationElectroMagnetic Induction. AP Physics B
ElectroMagnetic Induction AP Physics B What is E/M Induction? Electromagnetic Induction is the process of using magnetic fields to produce voltage, and in a complete circuit, a current. Michael Faraday
More informationMagnetism Basics. Magnetic Domains: atomic regions of aligned magnetic poles Random Alignment Ferromagnetic Alignment. Net Effect = Zero!
Magnetism Basics Source: electric currents Magnetic Domains: atomic regions of aligned magnetic poles Random Alignment Ferromagnetic Alignment Net Effect = Zero! Net Effect = Additive! Bipolar: all magnets
More informationEXPERIMENT 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 informationAP 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 informationTHE 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 informationStudent 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 informationVoltage Loss Formula s
www.litz-wire.com HM Wire International Inc. Phone: 330-244-8501 Fax: 330-244-8561 Voltage Loss Formula s www.hmwire.com Voltage loss in a wire is synonymous to pressure loss in a pipe. Electric current
More informationExercises on Voltage, Capacitance and Circuits. A d = (8.85 10 12 ) π(0.05)2 = 6.95 10 11 F
Exercises on Voltage, Capacitance and Circuits Exercise 1.1 Instead of buying a capacitor, you decide to make one. Your capacitor consists of two circular metal plates, each with a radius of 5 cm. The
More informationMagnetic Force on a Current-Carrying Wire Warm Up
Magnet Force on Current-1 Magnetic Force on a Current-Carrying Wire Warm Up 1. Forces on magnets Assume that we have a magnet of mass m 1 sitting on a scale (force meter 1), situation A. For this configuration
More informationBuild A Simple Electric Motor (example #1)
PHY115 Experiment 11 Build A Simple Electric Motor (example #1) MATERIAL This is the necessary equipment. Present any list of material in your written lab report. 1.5 V battery in series 1 ceramic magnet
More informationBUILDING A BASIC CIRCUIT
Teacher Information BUILDING A BASIC CIRCUIT NSES9-12.2 Physical Science: Interactions of Energy and Matter Adaptations Some adaptations and modifications that may assist a student with visual and/or other
More informationExperiment 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 informationE/M Experiment: Electrons in a Magnetic Field.
E/M Experiment: Electrons in a Magnetic Field. PRE-LAB You will be doing this experiment before we cover the relevant material in class. But there are only two fundamental concepts that you need to understand.
More informationBasic Principles of. Electricity. Basic Principles of Electricity. by Prof. Dr. Osman SEVAİOĞLU Electrical and Electronics Engineering Department
Basic Principles of Electricity METU by Prof. Dr. Osman SEVAİOĞLU Electrical and Electronics Engineering Department EE 209 Fundamentals of Electrical and Electronics Engineering, Prof. Dr. O. SEVAİOĞLU,
More informationPHYS 222 Spring 2012 Final Exam. Closed books, notes, etc. No electronic device except a calculator.
PHYS 222 Spring 2012 Final Exam Closed books, notes, etc. No electronic device except a calculator. NAME: (all questions with equal weight) 1. If the distance between two point charges is tripled, the
More informationVaporization of Liquid Nitrogen
Vaporization of Liquid Nitrogen Goals and Introduction As a system exchanges thermal energy with its surroundings, the temperature of the system will usually increase or decrease, depending on the direction
More informationChapter 22: Electric motors and electromagnetic induction
Chapter 22: Electric motors and electromagnetic induction The motor effect movement from electricity When a current is passed through a wire placed in a magnetic field a force is produced which acts on
More information45. The peak value of an alternating current in a 1500-W device is 5.4 A. What is the rms voltage across?
PHYS Practice Problems hapters 8- hapter 8. 45. The peak value of an alternating current in a 5-W device is 5.4 A. What is the rms voltage across? The power and current can be used to find the peak voltage,
More informationThe University of the State of New York REGENTS HIGH SCHOOL EXAMINATION PHYSICAL SETTING PHYSICS. Wednesday, June 17, 2015 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 Wednesday, June 17, 2015 1:15 to 4:15 p.m., only The possession or use of any communications
More informationExperiment #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 informationPhysics 41, Winter 1998 Lab 1 - The Current Balance. Theory
Physics 41, Winter 1998 Lab 1 - The Current Balance Theory Consider a point at a perpendicular distance d from a long straight wire carrying a current I as shown in figure 1. If the wire is very long compared
More informationMEASURING INSTRUMENTS. By: Nafees Ahmed, Asstt, Prof, EE Deptt, DIT, Dehradun
MEASURING INSTRUMENTS By: Nafees Ahmed, Asstt, Prof, EE Deptt, DIT, Dehradun MEASURING INSTRUMENTS The device used for comparing the unknown quantity with the unit of measurement or standard quantity is
More informationFig. 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 informationPhysics 30 Worksheet #10 : Magnetism From Electricity
Physics 30 Worksheet #10 : Magnetism From Electricity 1. Draw the magnetic field surrounding the wire showing electron current below. x 2. Draw the magnetic field surrounding the wire showing electron
More informationDC GENERATOR THEORY. LIST the three conditions necessary to induce a voltage into a conductor.
DC Generators DC generators are widely used to produce a DC voltage. The amount of voltage produced depends on a variety of factors. EO 1.5 LIST the three conditions necessary to induce a voltage into
More informationSection B: Electricity
Section B: Electricity We use mains electricity, supplied by power stations, for all kinds of appliances in our homes, so it is very important to know how to use it safely. In this chapter you will learn
More informationAircraft Electrical System
Chapter 9 Aircraft Electrical System Introduction The satisfactory performance of any modern aircraft depends to a very great degree on the continuing reliability of electrical systems and subsystems.
More informationBSNL TTA Question Paper-Instruments and Measurement Specialization 2007
BSNL TTA Question Paper-Instruments and Measurement Specialization 2007 (1) Instrument is a device for determining (a) the magnitude of a quantity (b) the physics of a variable (c) either of the above
More informationELECTRIC FIELD LINES AND EQUIPOTENTIAL SURFACES
ELECTRIC FIELD LINES AND EQUIPOTENTIAL SURFACES The purpose of this lab session is to experimentally investigate the relation between electric field lines of force and equipotential surfaces in two dimensions.
More informationCarbon Cable. Sergio Rubio Carles Paul Albert Monte
Carbon Cable Sergio Rubio Carles Paul Albert Monte Carbon, Copper and Manganine PhYsical PropERTieS CARBON PROPERTIES Carbon physical Properties Temperature Coefficient α -0,0005 ºC-1 Density D 2260 kg/m3
More informationElectricity. Introduction. Key concepts of electricity. Static electricity. Current electricity
Electricity Introduction This topic explores the key concepts of electricity as they relate to: static electricity current electricity higher order models of electric circuits household electricity electricity
More informationThe purposes of this experiment are to test Faraday's Law qualitatively and to test Lenz's Law.
260 17-1 I. THEORY EXPERIMENT 17 QUALITATIVE STUDY OF INDUCED EMF Along the extended central axis of a bar magnet, the magnetic field vector B r, on the side nearer the North pole, points away from this
More informationMagnetism. d. gives the direction of the force on a charge moving in a magnetic field. b. results in negative charges moving. clockwise.
Magnetism 1. An electron which moves with a speed of 3.0 10 4 m/s parallel to a uniform magnetic field of 0.40 T experiences a force of what magnitude? (e = 1.6 10 19 C) a. 4.8 10 14 N c. 2.2 10 24 N b.
More informationJunior Cert Science Numeracy Resources
Focus on Numeracy Junior Cert Science Numeracy Resources Let s Talk About Measurement Measurement of Time Directions: Put a < (less than), > (greater than), or = symbol between the two amounts of time.
More informationSTUDY MATERIAL FOR CLASS 10+2 - Physics- CURRENT ELECTRICITY. The flow of electric charges in a particular direction constitutes electric current.
Chapter : 3 Current Electricity Current Electricity The branch of Physics which deals with the study of electric charges in motion is called current electricity. Electric current The flow of electric charges
More informationSeries 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 informationFirst Year (Electrical & Electronics Engineering)
Z PRACTICAL WORK BOOK For The Course EE-113 Basic Electrical Engineering For First Year (Electrical & Electronics Engineering) Name of Student: Class: Batch : Discipline: Class Roll No.: Examination Seat
More informationAmpere's Law. Introduction. times the current enclosed in that loop: Ampere's Law states that the line integral of B and dl over a closed path is 0
1 Ampere's Law Purpose: To investigate Ampere's Law by measuring how magnetic field varies over a closed path; to examine how magnetic field depends upon current. Apparatus: Solenoid and path integral
More informationVoltage, energy and power in electric circuits. Science teaching unit
Voltage, energy and power in electric circuits Science teaching unit Disclaimer The Department for Children, Schools and Families wishes to make it clear that the Department and its agents accept no responsibility
More informationPhysics 25 Exam 3 November 3, 2009
1. A long, straight wire carries a current I. If the magnetic field at a distance d from the wire has magnitude B, what would be the the magnitude of the magnetic field at a distance d/3 from the wire,
More information5. Measurement of a magnetic field
H 5. Measurement of a magnetic field 5.1 Introduction Magnetic fields play an important role in physics and engineering. In this experiment, three different methods are examined for the measurement of
More informationEðlisfræði 2, vor 2007
[ Assignment View ] [ Pri Eðlisfræði 2, vor 2007 28. Sources of Magnetic Field Assignment is due at 2:00am on Wednesday, March 7, 2007 Credit for problems submitted late will decrease to 0% after the deadline
More informationVoltage Drop (Single-Phase)
Voltage Drop (Single-Phase) To Find: To Find Voltage Drop Formula: 2 x K x L x I V.D. = ------------------- C.M. Variables: C.M. = Circular Mill Area (Chapter 9, Table 8) To Find Voltage Drop Percentage
More informationForce on Moving Charges in a Magnetic Field
[ Assignment View ] [ Eðlisfræði 2, vor 2007 27. Magnetic Field and Magnetic Forces Assignment is due at 2:00am on Wednesday, February 28, 2007 Credit for problems submitted late will decrease to 0% after
More informationVoltage, Current, and Resistance
Voltage, Current, and Resistance 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 informationComponents. Transformers
Components Transformers How does a transformer work? A transformer is based on a simple fact about electricity: when a fluctuating electric current flows through a wire, it generates a magnetic field (an
More informationPHYSICS PAPER 1 (THEORY)
PHYSICS PAPER 1 (THEORY) (Three hours) (Candidates are allowed additional 15 minutes for only reading the paper. They must NOT start writing during this time.) ---------------------------------------------------------------------------------------------------------------------
More informationExploring Magnetism. DataQuest
Exploring Magnetism Magnetism is the force of attraction or repulsion between a magnet and something else. Magnets attract materials made of iron, nickel, or cobalt. Can you think of five things to which
More informationTransformer Calculations
Transformer Calculations Transformers Transformers are one of the most basic yet practical devices used today. No matter where you are there is always a transformer nearby. They are used throughout alternating-current
More informationLecture Notes: ECS 203 Basic Electrical Engineering Semester 1/2010. Dr.Prapun Suksompong 1 June 16, 2010
Sirindhorn International Institute of Technology Thammasat University School of Information, Computer and Communication Technology Lecture Notes: ECS 203 Basic Electrical Engineering Semester 1/2010 Dr.Prapun
More informationThe University of the State of New York REGENTS HIGH SCHOOL EXAMINATION PHYSICAL SETTING PHYSICS
PS/PHYSICS The University of the State of New York REGENTS HIGH SCHOOL EXAMINATION PHYSICAL SETTING PHYSICS Wednesday, June 24, 2009 9:15 a.m. to 12:15 p.m., only The answer sheet for Part A and Part B
More informationEðlisfræði 2, vor 2007
[ Assignment View ] [ Print ] Eðlisfræði 2, vor 2007 30. Inductance Assignment is due at 2:00am on Wednesday, March 14, 2007 Credit for problems submitted late will decrease to 0% after the deadline has
More informationMagnetism. Magnetism. Magnetic Fields and Magnetic Domains. Magnetic Fields and Magnetic Domains. Creating and Destroying a Magnet
Magnetism Magnetism Opposite poles attract and likes repel Opposite poles attract and likes repel Like electric force, but magnetic poles always come in pairs (North, South) Like electric force, but magnetic
More informationCurrent and Voltage Measurements. Current measurement
Current and oltage easurements Current measurement ccording to current continuity (i.e. charge conservation) law, the current can be measured in any portion of a single loop circuit. B Circuit Element
More informationMagnetic Fields and Their Effects
Name Date Time to Complete h m Partner Course/ Section / Grade Magnetic Fields and Their Effects This experiment is intended to give you some hands-on experience with the effects of, and in some cases
More information6/14/02 Chapter 14: Use of Electrical Test Equipment 1/20
USE OF ELECTRICAL TEST EQUIPMENT Test equipment is necessary for determining proper set-up, adjustment, operation, and maintenance of electrical systems and control panels. The following is a general procedure
More informationModified True/False Indicate whether the statement is true or false. If false, change the identified word or phrase to make the statement true.
ch 7 and 16 review Modified True/False Indicate whether the statement is true or false. If false, change the identified word or phrase to make the statement true. 1. The heat released by a burning candle
More informationXX. Introductory Physics, High School
XX. Introductory Physics, High School High School Introductory Physics Test The spring 2014 high school Introductory Physics test was based on learning standards in the Introductory Physics content strand
More informationGeorgia Performance Standards Framework for Physical Science 8 th Grade. Powering Satellites
The following instructional plan is part of a GaDOE collection of Unit Frameworks, Performance Tasks, examples of Student Work, and Teacher Commentary. Many more GaDOE approved instructional plans are
More informationMagnetic Fields. I. Magnetic Field and Magnetic Field Lines
Magnetic Fields I. Magnetic Field and Magnetic Field Lines A. The concept of the magnetic field can be developed in a manner similar to the way we developed the electric field. The magnitude of the magnetic
More informationCOMPOUND 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 informationUnit 3 Electricity Suggested Time: 28 Hours
Unit 3 Electricity Suggested Time: 28 Hours Unit Overview Introduction Focus and Context Science Curriculum Links Technologies based on the principles of electricity are an important part of the student
More informationTuning Up DC Motors and Generators for Commutation and Performance
Tuning Up DC Motors and Generators for Commutation and Performance Rich Hall- National Electrical Carbon Western Mining Electrical Association June 8, 2007, Billings Montana Sometimes your machine may
More informationACTIVITY 6: Series and Parallel Wiring
Section 2 Activities Activity 6: Series and Parallel Wiring ACTIVITY TYPE: Worksheet Overview: Students understand the effects of building electrical circuits to increase voltage and amperage. Goal: Students
More informationElectricity and Magnetism
Electricity and Magnetism A Science AZ Physical Series Word Count: 1,668 Electricity and Magnetism Written by David Dreier Visit www.sciencea-z.com www.sciencea-z.com Electricity and Magnetism Key elements
More information9. The kinetic energy of the moving object is (1) 5 J (3) 15 J (2) 10 J (4) 50 J
1. If the kinetic energy of an object is 16 joules when its speed is 4.0 meters per second, then the mass of the objects is (1) 0.5 kg (3) 8.0 kg (2) 2.0 kg (4) 19.6 kg Base your answers to questions 9
More informationElectric 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 informationJoule Equivalent of Electrical Energy
by Dr. James E. Parks Department of Physics and Astronomy 401 Nielsen Physics Building The University of Tennessee Knoxville, Tennessee 37996-1200 Copyright October, 2013 by James Edgar Parks* *All rights
More informationPRE COMMISSIONING TESTS ON EQUIPMENT AT 33/11 KV SUB STATIONS
PRE COMMISSIONING TESTS ON EQUIPMENT AT 33/11 KV SUB STATIONS TESTS ON TRANSFORMERS 1. IR Values a) For 33/11 KV Power Transformer 2500 V megger is to be need. b) Power Transformer neutral Earthing is
More information