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A current I = 10 sin (100pi t) amp. Is p...

A current `I = 10 sin (100pi t)` amp. Is passed in first coil, which induces a maximum e.m.f of `5pi` volt in second coil. The mutual inductance between the coils is-

A

5 mH

B

10 mH

C

15 mH

D

20 mH

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The correct Answer is:
A
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