Figure 27.6b
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1 Figure 27.6a
2 Figure 27.6b
3 Figure 27.6c
4 Figure 27.25
5 Figure 27.13
6 When a charged particle moves through a magnetic field, the direction of the magnetic force on the particle at a certain point is A. in the direction of the magnetic field at that point. B. opposite to the direction of the magnetic field at that point. C. perpendicular to the magnetic field at that point. D. none of the above E. The answer depends on the sign of the particle s electric charge.
7 When a charged particle moves through a magnetic field, the direction of the magnetic force on the particle at a certain point is A. in the direction of the magnetic field at that point. B. opposite to the direction of the magnetic field at that point. C. perpendicular to the magnetic field at that point. D. none of the above E. The answer depends on the sign of the particle s electric charge.
8 A particle with a positive charge moves in the xz-plane as shown. The magnetic field is in the positive z-direction. The magnetic force on the particle is in A. the positive x-direction. B. the negative x-direction. C. the positive y-direction. D. the negative y-direction. E. none of these
9 A particle with a positive charge moves in the xz-plane as shown. The magnetic field is in the positive z-direction. The magnetic force on the particle is in A. the positive x-direction. B. the negative x-direction. C. the positive y-direction. D. the negative y-direction. E. none of these
10 A particle with charge q = 1 C is moving in the positive z- direction at 5 m/s. The magnetic field at its position is What is the magnetic force on the particle? A. B. C. D. E. none of these
11 A particle with charge q = 1 C is moving in the positive z- direction at 5 m/s. The magnetic field at its position is What is the magnetic force on the particle? A. B. C. D. E. none of these
12 A positively charged particle moves in the positive z-direction. The magnetic force on the particle is in the positive y-direction. What can you conclude about the x-component of the magnetic field at the particle s position? A. B x > 0 B. B x = 0 C. B x < 0 D. not enough information given to decide
13 A positively charged particle moves in the positive z-direction. The magnetic force on the particle is in the positive y-direction. What can you conclude about the x-component of the magnetic field at the particle s position? A. B x > 0 B. B x = 0 C. B x < 0 D. not enough information given to decide
14 A positively charged particle moves in the positive z- direction. The magnetic force on the particle is in the positive y-direction. What can you conclude about the y- component of the magnetic field at the particle s position? A. B y > 0 B. B y = 0 C. B y < 0 D. not enough information given to decide
15 A positively charged particle moves in the positive z- direction. The magnetic force on the particle is in the positive y-direction. What can you conclude about the y- component of the magnetic field at the particle s position? A. B y > 0 B. B y = 0 C. B y < 0 D. not enough information given to decide
16 A positively charged particle moves in the positive z-direction. The magnetic force on the particle is in the positive y-direction. What can you conclude about the z-component of the magnetic field at the particle s position? A. B z > 0 B. B z = 0 C. B z < 0 D. not enough information given to decide
17 A positively charged particle moves in the positive z-direction. The magnetic force on the particle is in the positive y-direction. What can you conclude about the z-component of the magnetic field at the particle s position? A. B z > 0 B. B z = 0 C. B z < 0 D. not enough information given to decide
18 Under what circumstances is the total magnetic flux through a closed surface positive? A. if the surface encloses the north pole of a magnet, but not the south pole B. if the surface encloses the south pole of a magnet, but not the north pole C. if the surface encloses both the north and south poles of a magnet D. none of the above
19 Under what circumstances is the total magnetic flux through a closed surface positive? A. if the surface encloses the north pole of a magnet, but not the south pole B. if the surface encloses the south pole of a magnet, but not the north pole C. if the surface encloses both the north and south poles of a magnet D. none of the above
20 Recall that E da = q / enc 0 What is the total flux of the magnetic field through any closed surface? B da =? A) zero B) Ienc times a positive constant C) -Ienc times a positive constant
21 Recall that E da = q / enc 0 What is the total flux of the magnetic field through any closed surface? B da =? A) zero B) Ienc times a positive constant C) -Ienc times a positive constant
22 The Hall Effect
23
Q27.1 When a charged particle moves near a bar magnet, the magnetic force on the particle at a certain point depends
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