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A conductor PQ , with PQ=r , moves with ...

A conductor `PQ` , with `PQ=r` , moves with a velocity `v` in a uniform magnetic field of induced `B` . The emf induced in the rod is

A

`(vecv xx vecB).vecr`

B

`vecv.(vecrxxvecB)`

C

`vecB.(vecrxxvecv)`

D

`|vecrxx(vecvxxvecB)|`

Text Solution

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The correct Answer is:
A
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