111. |
Which of the following is a correct
description of the diagram to the right?
Answer
A. Current from A to B and force on wire is down
B. Current from A to B and force on wire is up
C. Current from B to A and force on wire is down
D. Current from B to A and force on wire is up |
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112. |
The magnetic field to the right
creates the path in red of a moving proton.
A. Clockwise path with field coming out of the screen.
B. Clockwise path with field going into screen.
C. Counter-Clockwise path with field coming out of the screen.
D. Counter-Clockwise path with field going into screen.
Answer |
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113. |
The force on the wires to the right
Answer
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A. |
Pushes wires apart |
C. |
Top wire into screen and bottom
wire out of screen
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B. |
Pulls wires together |
D. |
Top wire out of screen and
bottom wire into screen |
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114. |
Which diagram to the right is a
correct electric field diagram?
Answer
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115. |
X, Y, and Z are identical insulated
metal spheres.
X has an initial charge of + 3.0 x 10 -6 C
Y has an initial charge of - 6.0 x 10 -6 C
Z has an initial charge of + 9.0 x 10 -6 C
The spheres simultaneously touch and then separate.
Which of the following describes the conditions after separating?
Answer
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A. |
Each sphere has + 2.0 x 10
-6 C |
C. |
Each sphere is neutral. |
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B. |
Each sphere has + 6.0 x 10
-6 C |
D. |
Each sphere has its original
charge. |
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116. |
A charged particle
is deflected by a magnetic field. The magnitude of the magnetic
force is directly proportional to Answer
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A. |
polarity of the magnetic field |
C. |
static charge of the particle |
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B. |
polarity of the particle |
D. |
mass of the particle |
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117. |
The proton to the left is entering the
electric field. The electric field will deflect the proton
Answer
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A. |
up |
C. |
into the paper |
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B. |
down |
D. |
out of the paper |
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118. |
Which graph to the right is correct?
Answer
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119. |
A +4.0 coulomb
charge is moved from point X to infinity by an electric field that does
12.0 joules of work on the charge. What is the electric potential at
point X? Answer
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A. |
0.33 |
C. |
3.0 |
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B. |
1.5 |
D. |
48 |
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120. |
A metal sphere has a
- 6.4 x 10 -19 C charge. This charge is created by an
excess of Answer
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A. |
2 electrons |
C. |
4 electrons |
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B. |
2 protons |
D. |
4 protons |