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A metallic rod of length 'l' is tied to ...

A metallic rod of length 'l' is tied to a string of length 2l and made to rotate with angular speed w on a horizontal table with one end of the string fixed. If there is a vertical magnetic field 'B' in the region, the e.m.f. Induced across the ends of the rod is

A

`(4Bomega l^(2))/(2)`

B

`(5B omega l^(2))/(2)`

C

`(2 B omega l^(2))/(2)`

D

`(3 B omega l^(2))/(2)`

Text Solution

Verified by Experts

The correct Answer is:
b
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