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A metal conductor of length 1 m rotates ...

A metal conductor of length 1 m rotates vertically about one of its ends at angular velocity `5 rad s^(-1)` . If the horizontal component of the earth's magnetic field is ` 0.2xx10^(-4) T` , then e.m.f. developed between the two ends of the conductor is

A

`5 mu V`

B

`50 mu V`

C

5 mV

D

50 mV

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