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A metal conductor of length 1m rotates v...

A metal conductor of length 1m rotates vertically about one of its ends at angular velocity 5 radians per second. If the horizontal component of earth's magnetic field is `0.2 xx 10^-4T`, then the e.m.f. developed between the two ends of the conductor is

A

5mV

B

`5xx10^-4V`

C

50mV

D

`50muV`

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