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When the current changes from +2A to -2A...

When the current changes from +2A to -2A in 0.5 second an emf of 8V is induced in a coil. The coefficient of selfinduction of the coil is

A

`0.1H`

B

`0.2H`

C

`0.4H`

D

`0.6H`

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The correct Answer is:
A
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