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Q.

An infinitely long cylindrical rod is kept parallel to an uniform magnetic field B directed along positive Z-axis. The direction of induced current as seen from the Z-axis will be

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a

zero

b

clockwise of the positive z-axis

c

anticlockwise of the positive z-axis

d

along the magnetic field

answer is A.

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Detailed Solution

Since the magnetic field is uniform and hence there will be no change in flux,
 i.e., dΦdt=0 or i=0
So, no current will be induced.

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