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A constant force is being applied on a r...

A constant force is being applied on a road of length 'l' kept at rest on two parallel conducting rails connected at ends by resistance R in uniform magnitic field B shown.

A

Thepower delivered by force will remain constant with time

B

The power delivered by force will be increasing first and then it will decrease

C

The power delivered by force will be increasing constinously

D

The power delivered by force will be decreasing continously

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The correct Answer is:
C
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