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The average self-induced emf in a 25m H ...

The average self-induced emf in a `25m H` solenoid when the current in it falls from `0.2 A` to `0 A` in `0.01` second, is

A

`0.05V`

B

`0.5 V`

C

`500 V`

D

`50 V`

Text Solution

Verified by Experts

The correct Answer is:
B
`e = L(di)/(dt)`
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