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A metal rod of length 1m is rotated abou...

A metal rod of length `1m` is rotated about one of its ends in a plane at right angles to a uniform magnetic field pf induction `2.5 xx 10^(-3) Wb m^(-2)`. If it makes `1800` rpm, then the induced emf between its ends approximately is

A

`0.24 V`

B

`0.12 V`

C

`0.36 V`

D

`0.48 V`

Text Solution

Verified by Experts

The correct Answer is:
A
`epsilon = (1)/(2)B omega l^(2)`
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