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If rotational velocity of a dynamo armat...

If rotational velocity of a dynamo armature is doubled, then induced e.m.f. will become

A

Half

B

Two times

C

Three times

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
As we know that
`e = NBA omega `
`therefore e prop omega`
Hence induced e.m.f is doubled.
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