1.

Consider the situation shown in the figure. The wire AB is sliding on the fixed rails with a constant velocity. If the wire AB is replaced by semicircular wire, the magnitude of the induced current will                                    [MP PMT 1999]

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
Answer» C.            Decrease


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