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When a rod of length l is rotated with a...

When a rod of length l is rotated with angular velocity of `omega` in a perpendicular field of induction B , about one end , the emf across its ends is

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Consider a segment of the bar of length dr having a velocity v. According to Eq. 30-7, the magnitude of the emf induced in the entire rod is
`DeltaV=int(vecvxxvecB)=intBomegadr=(Bomegal^(2))/2`
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