Q.

In the arrangement shown in given figure current from A to B is increasing in magnitude. Induced current in the loop will

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a

have anticlockwise direction

b

be zero

c

have clockwise direction

d

oscillate between clockwise and anticlockwise

answer is A.

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Detailed Solution

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If current in the conductor is increasing, the applied field at center of the loop is increasing. By Lenz’s law, to oppose this increasing field, the induced field should generate in the downward direction. Hence the induced current in the loop should be in clock wise direction

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In the arrangement shown in given figure current from A to B is increasing in magnitude. Induced current in the loop will