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The average e.m.f. induced in a coil in ...

The average e.m.f. induced in a coil in which the current changes from 2 ampere to 4 ampere in 0.05 second is 8 volt . What is the self inductance of the coil ?

A

`0.1` H

B

`0.2`H

C

`0.4`H

D

`0.8`H

Text Solution

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The correct Answer is:
B
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