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  4. A current I=10sin(100 π t) A is passed in first coil, which induces a maximum EMF of 5π V in second coil. The mutual inductance between the coils is

Q. A current is passed in first coil, which induces a maximum EMF of in second coil. The mutual inductance between the coils is

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Solution:

Let current is
Where
Then induced e.m.f. is given by


Maximum e.m.f. is


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