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When the current in a coil charges from ...

When the current in a coil charges from 2A to 4A in 0.05 s, emf of 8 volt is induced in the coil. The coefficient of self induction of the coil is -

A

increase

B

decrease

C

remains the same

D

May increase or decrease depending on whether the semicircle bulges towards the resistance or away from it.

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The correct Answer is:
C
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