question_answer

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