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A copper rod of length L rotates with an...

A copper rod of length L rotates with an angular with an angular speed `'omega' ` in a uniform magnetic field B. find the emf developed between the two ends of the rod. The field in perpendicular to the motion of the rod.

A

`B omega l^(2)`

B

`(1)/(2) B omega l^(2)`

C

`2 B omega l^(2)`

D

`(1)/(4) B omega l^(2)`

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The correct Answer is:
B
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