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A half metre rod is rotating abou tone f...

A half metre rod is rotating abou tone fixed end perpendicular to uniform magnetic field `4xx10^(-5)T` with angular velocity 720 rpm. The emf induced across its ends is

A

0.24 V

B

0.36 V

C

0.12 V

D

0.36 mV

Text Solution

Verified by Experts

The correct Answer is:
D
`e=BA f`
`=B pir^(2)f`
`=(4xx10^(-5)xx3.14xx0.25xx720)/(60)`
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