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A horizontal rod of length 'l' rotates a...

A horizontal rod of length 'l' rotates about a vertical axis with a uniform angular velocity `'omega'`. A uniform magnetic field of induction B exists parallel to the axis of rotation. The potential different between the ends of the rod is

A

`omegal^2B`

B

`1/2omegal^2B`

C

`omega^2lB`

D

`1.2omega^2lB`

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