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A conducting bar is pulled with a consta...

A conducting bar is pulled with a constant speed `v` on a smooth conducting rail. The region has a steady magnetic field of induction `B` as shown in the figure. If the speed of the bar is doubled then the rate of heat dissipation will

A

Constant

B

Quarter of the initial value

C

Four fold

D

Doubled

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-ELECTROMAGNETIC INDUCTION-EXERCISE-IA
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