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Questions  

Consider the situation shown in the figure. The wire AB is sliding on the fixed rails with a constant velocity V. lf the wire AB is replaced by semicircular wire, the magnitude of the induced current will

a
Increase
b
Remain the same
c
Decrease
d
Increase or decrease depending on whether the semicircle bulges towards the resistance or away from it

detailed solution

Correct option is B

Effective length between A and B remains same.

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