Answers350CR Integrated ScienceEnergy Transformations

Magnetic Field and Force Answers

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1
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Which describes the magnetic field that forms when a wire carries an electric current?

A
It is in a line perpendicular to the wire.
B
It is in a line parallel with the wire.
C
It is in a cylinder around the wire.
D
It is in a cylinder across the wire.
2
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What direction can the charge move and experience no magnetic force? Check all that apply.

A
up
B
down
C
left
D
right
E
into the screen
F
out of the screen
3

The magnetic field 0.02 m from a wire is 0.1 T. What is the magnitude of the magnetic field 0.01 m from the same wire?

A
0.01 T
B
0.05 T
C
0.1 T
D
0.2 T
4

A positive charge moving up enters a magnetic field pointing out of the screen. What is the direction of the magnetic force on the charge?

A
up
B
down
C
right
D
left
5

When using the right-hand rule to determine the direction of the magnetic force on a charge, which part of the hand points in the direction of the magnetic field?

A
palm
B
fingers
C
back
D
thumb
7

[BLANK]

A
fingers
B
palm
C
back
D
thumb
8

A wire runs left to right and carries a current in the direction shown.

Question illustration
A
left
B
right
C
into the screen
D
out of the screen
9

The diagram shows a positive charge moving in a magnetic field.

Question illustration
A
into the screen
B
out of the screen
C
up
D
down
10

When using the right-hand rule to determine the direction of the magnetic force on a charge, which part of the hand points in the direction that the charge is moving?

A
palm
B
fingers
C
back
D
thumb

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