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A varying current in a coil changes from...

A varying current in a coil changes from 10A to zero in 0.5 s. If the the average emf induced in the coil 2V, the self inductance of the coil is

A

5.0H

B

0.1H

C

11.0H

D

12.0H

Text Solution

Verified by Experts

The correct Answer is:
B
`e=L(di)/(dt)`
`2=-Lxx(10)/(0.5)`
`L=0.1H`
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