6. Two conducting loops are arranged as shown with their centers on the same vertical axis. If the lower loop has an increasing current in a counter-clockwise direction, which of the follow- ing statements is true about the induced current, if any, in the upper loop? A. It is clockwise. B. It is counter-clockwise. C. There is no induced current. D. It is steady. 7. The adjoining diagram could represent what type of field lines? A. Either a magnetic or an electric field B. Neither a magnetic nor an electric field C. Only a magnetic field due to a straight wire D. Only electric fields due to a point charge 8. A bar magnet is shoved into a coil of wire and remains inside motionless. During this process, a sensitive galvanometer, which measures charge flow, will 0 A. deflect only while the magnet is moving. B. not deflect at all. C. deflect and remain deflected as long as the magnet remains inside. D. have an oscillating deflection until the magnet is removed. 9. Which of the following could never produce a current in a closed loop of wire A. Moving the loop into the field of a magnet. B. Keeping the loop stationary while bringing the magnet closer to it. C. Turning off the flow of current in a neighboring wire. D. Simultaneously moving both the loop and a magnet, with the same velocity in the direction. 10. A loop of wire is moving upward in the field of a bar magnet. The vector F in the diagram in- dicates A. the force acting on an electron. B. the electromotive force. C. a centripetal force. D. the direction of the magnetic field.
6. Two conducting loops are arranged as shown with their centers on the same vertical axis. If the lower loop has an increasing current in a counter-clockwise direction, which of the follow- ing statements is true about the induced current, if any, in the upper loop? A. It is clockwise. B. It is counter-clockwise. C. There is no induced current. D. It is steady. 7. The adjoining diagram could represent what type of field lines? A. Either a magnetic or an electric field B. Neither a magnetic nor an electric field C. Only a magnetic field due to a straight wire D. Only electric fields due to a point charge 8. A bar magnet is shoved into a coil of wire and remains inside motionless. During this process, a sensitive galvanometer, which measures charge flow, will 0 A. deflect only while the magnet is moving. B. not deflect at all. C. deflect and remain deflected as long as the magnet remains inside. D. have an oscillating deflection until the magnet is removed. 9. Which of the following could never produce a current in a closed loop of wire A. Moving the loop into the field of a magnet. B. Keeping the loop stationary while bringing the magnet closer to it. C. Turning off the flow of current in a neighboring wire. D. Simultaneously moving both the loop and a magnet, with the same velocity in the direction. 10. A loop of wire is moving upward in the field of a bar magnet. The vector F in the diagram in- dicates A. the force acting on an electron. B. the electromotive force. C. a centripetal force. D. the direction of the magnetic field.
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Transcribed Image Text:6. Two conducting loops are arranged as shown
with their centers on the same vertical axis. If
the lower loop has an increasing current in a
counter-clockwise direction, which of the follow-
ing statements is true about the induced current,
if any, in the upper loop?
A. It is clockwise.
B. It is counter-clockwise.
C. There is no induced current.
D. It is steady.
7. The adjoining diagram could represent what
type of field lines?
A. Either a magnetic or an electric field
B. Neither a magnetic nor an electric field
C. Only a magnetic field due to a straight wire
D. Only electric fields due to a point charge
8. A bar magnet is shoved into a coil of wire and
remains inside motionless. During this process,
a sensitive galvanometer, which measures charge
flow, will
0
A. deflect only while the magnet is moving.
B. not deflect at all.
C. deflect and remain deflected as long as the
magnet remains inside.
D. have an oscillating deflection until the
magnet is removed.
9. Which of the following could never produce a current in a closed loop of wire
A. Moving the loop into the field of a magnet.
B. Keeping the loop stationary while bringing the magnet closer to it.
C. Turning off the flow of current in a neighboring wire.
D. Simultaneously moving both the loop and a magnet, with the same velocity in the
direction.
10. A loop of wire is moving upward in the field of a
bar magnet. The vector F in the diagram in-
dicates
A. the force acting on an electron.
B. the electromotive force.
C. a centripetal force.
D. the direction of the magnetic field.
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