In an inductor when current change from ...

In an inductor when current change from `2A` to `18A` in `0.05 sec`, the `emf` induced is `20V`. Then inductance L is

A

`62.5mH`

B

`625 mH`

C

`6.25 mH`

D

`0.625mH`

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The correct Answer is:

A

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