Questions
The coefficient of mutual inductance of two coils is 6 mH. If the current flowing in one is 2 A, then the induced e.m.f. in the second coil will be
a
3 mV
b
2 mV
c
3 V
d
Zero
detailed solution
Correct option is D
In secondary, e.m.f. induces only when current through primary changes.Talk to our academic expert!
Similar Questions
Two circular coils can be arranged in any of the three situations shown in fig.. Their mutual
inductance will be
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