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A copper rod of length 2m is rotated wit...

A copper rod of length `2m` is rotated with a speed of `10 rps`, in a uniform magnetic field of `1` tesla about a pivot at one end. The magnetic field is perpendicular to the plane of rotation. Find the emf induced across its ends

Text Solution

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`e=1/2 Bomegal^2=1/2 B(2pin)l^2=piBnl^2`
`e=3.14 xx1xx10xx2xx2=125.6 "volt"`
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