Question

What is the coefficient of mutual induction?

Answer 1

Coefficient of mutual induction:

1. Induction between two circuits, so its ratio of induced EMF of the secondary circuit to that of the rate of change of current in the primary circuit.
2. The coefficient of mutual induction of two coils is numerically equal to the emf induced in one coil when the rate of change of current through the other coil is unity.
3. The S.I unit of coefficient of mutual induction is henry $\left(H\right)$.

The coefficient of mutual induction between a pair of coils depends on the following factors:

1. Size and shape of the coils, number of turns, and permeability of material on which the coils are wound.
2. The proximity of the coils