Q.

The coefficient of mutual inductance of two coils is 6 mH. If the current flowing in one is 2 ampere, then the induced e.m.f. in the second coil will be

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a

2 mV 

b

3 V

c

3 mV 

d

Zero

answer is D.

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Detailed Solution

In secondary e.m.f. induces only when current through primary changes.

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