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A 50 mH coil carries a current of 2 A, t...

A 50 mH coil carries a current of 2 A, the energy stored in joule is :

A

0.1

B

`0.05`

C

`1.0`

D

`0.5`

Text Solution

Verified by Experts

The correct Answer is:
D
`U = 1/2 Li ^(2) = (1)/(2) xx 50 xx 10 ^(-3) xx 2 xx 2 = 0.1 J`
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