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Question

The resistanceless wire AB (in figure) is slid on the fixed walls with a constant velocity. If the wire AB is replaced by a resistanceless semicircular wire, the magnitude of the induced current will

A
decrease
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B
remain the same
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C
increase
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D
increase or decrease depending on whether the semicircle bulges towards resistance or away from it
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Solution

The correct option is B remain the same
The resistanceless wire ABis slid on the fixedwalls with a constant velocity. If thewire AB is replaced by a resistancelesssemicircular wire, the magnitude of theinduced current willremainthesame. sotheoptionisB.

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