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A coil of self inductance 2H carries a 2...

A coil of self inductance 2H carries a 2A current If direction of current is reversed in 1 sec., then induced emf in it :-

A

`-8V`

B

`8V`

C

`-4V`

D

zero

Text Solution

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The correct Answer is:
B

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NARAYNA-ELECTROMAGNETIC INDUCTION-EXERCISE-1 (C.W)
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  4. In an inductor of self-inductance L=2 mH, current changes with time ac...

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