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If the magnetic field is doubled through...

If the magnetic field is doubled through a coil of number of turns 'n' then the induced emf will be

A

4 times

B

3 times

C

two times

D

1 times

Text Solution

Verified by Experts

The correct Answer is:
C
`e prop(dphi)/(dt)propn`
`therefore` In n doubles then e also doubles.
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