The current in coil changes from 0.5A to...

The current in coil changes from `0.5A` to `2A` in `0.03s` inducing a voltage of `8V` across it. Find initial energy stored in the coil.

A

`0.02 J

B

0.25J

C

0.4 J`

D

2 J

Verified by Experts

The correct Answer is:

A

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