There are two coils A and B as shown in Fig A current starts flowing in B as shown, when A is mov...

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There are two coils A and B as shown in Fig A current starts flowing in B as shown, when A is moved towards B and stops when A stops moving. The current in A is counterclockwise. B is kept stationary when A moves. We can infer that
(a) there is a constant current in the clockwise direction in A.
(b) there is a varying cuisent in A.
(c) there is no current in A.
(d) there is a constant current in the counterclockwise direction in A.

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