A) maximum in situation (ii)
B) maximum in situation (i)
C) maximum in situation (iii)
D) the same in all situations
Correct Answer: B
Solution :
When there is a current flowing in a coil, magnetic flux is linked with a near by coil. From the geometry of the figure it is clear that maximum flux is associated with the coil in the first case. Thus, mutual inductance is maximum in the situation (i).
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