First slide

Inductance

Question

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

Moderate

A

3 mV
B

2 mV
C

3 V
D

Zero

Solution

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

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