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
`(3Bomegal^(2))/(2)`
B
`(4Bomegal^(2))/(2)`
C
`(5Bomegal^(2))/(2)`
D
`(2Bomegal^(2))/(2)`
Text Solution
Verified by Experts
The correct Answer is:
C
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