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An average induced e.m.f. of 1V appears ...

An average induced e.m.f. of `1V` appears in a coil when the current in it is changed from `10` `A` in one direction to `10A` in opposite direction in `0.5` sec. self-inductance of the coil is

A

25 mH

B

50 mH

C

75 mH

D

100 mH

Text Solution

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The correct Answer is:
A
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