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An emf of 0.08 V is induced in a metal r...

An emf of 0.08 V is induced in a metal rod of length 10 cm held normal to a uniform magnetic field of 0.4 T,when moves with a velocity of

A

`2 ms^(-1)`

B

`0.5 ms^(-1)`

C

`20 ms^(-1)`

D

`3.2 ms^(-1)`

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