Question

The mutual inductance formed in system of two coils is 4mH. The current I=5sin(50πt) changes with time in one coil. thenn the emf of coil will be_______ the function of time.(a)50π cos(50πt)<br />(b)5π cos(50πt)<br />(c)π cos(50πt)<br />(d)π sin (50πt)​

Answer 1

Answer:

C)

Explanation:

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Answer 2

Answer:

Emf=M⋅dtdi=5×10−3×Ioωcosωt(Emf)max=5×10−3×Ioω=5×10−3×10×100π=5πV