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Two coils, A and B are as shown in the figure. 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 counter clockwise. B is kept stationary when A moves. We can infer that:

Option: 1

there is a constant current in the clockwise direction of A


Option: 2

there is a no current in A
 


Option: 3

there is a varying current in A
 


Option: 4

there is a constant current in the counter clockwise direction in A


Answers (1)

best_answer

Coil A must be carrying a constant current in counter clockwise direction. Because of that, when A moves towards B, current induced in B is counter clockwise direction as per Lenz’s law. The current in B would stop when A stops moving

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Nehul

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