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A 50 mH coil carries a current of 2 ampe...

A 50 mH coil carries a current of 2 ampere. The energy stored in joules is

A

1

B

0.1

C

0.05

D

0.5

Text Solution

Verified by Experts

The correct Answer is:
B
Energy stored in the coil,
`E=(1)/(2)Li^(2)=(1)/(2)xx50xx10^(-3)xx4=0.1J`
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