Question

en the current in one coil changes at a rate of 3.2 A/s, an emf of 5.7 is induced in a second, nearby coil. What is the magnitude of the mutual inductance of the two coils

Answer 1

Given that,

The rate of change of current = 3.2 A/s

Emf induced in the coil = 5.7 V

To find,

The magnitude of the mutual inductance of the two coils.

Solution,

The mutual inductance between the coils is given by the formula as follows :

`\epsilon=M(dI)/(dt)\\\\M=(\epsilon)/((dI)/(dt))\\\\M=(5.7)/(3.2)\\\\=1.78\ H`

So, the mutual inductance of the two coils is 1.78 H.