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IF the rotating speed of a dynamo is dou...

IF the rotating speed of a dynamo is doubled, the induced electromotive force will be

A

doubled

B

halved

C

four times as much

D

unchanged

Text Solution

Verified by Experts

The correct Answer is:
A
`e=omegaBANsin(omegat+alpha)`, if `omega` is doubled then e is also doubled.
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