Calculate the induced emf in a coil of 10 H inductance in which the current changes from 8A to 3A in 0.2 s.

The induced emf in a coil of 10 H inductance in which current varies from 9 A to 4 A in 0.2 s is

Calculate the mutual inductance between two coils when a current of 4 A changes to 12 A in 0.5 s in primary and induces an emf of 50 mV in the secondary. Also, calculate the induced emf in the secondary if current in the primary changes from 3 A to 9 A is 0.02 s .

Calculate the mutual inductance between two coils when the currents change from 2 to 5 A in 0.25s in one coil, induces an emf of 12 mV in the other.

The average e.m.f. induced in a coil in which the current changes from 2 amperes to 4 amperes in 0.05 seconds is 8 volts. What is the self-inductance of the coil?

The average e.m.f. induced in a coil in which the current changes from 2 ampere to 4 ampere in 0.05 second is 8 volt . What is the self inductance of the coil ?

Calculate the mutual inductance between two coils when a current 2A changes to 6A in and 0.2 s and induces an emf of 20mV in secondary coil.

The self inductance of a circuit ini which an emf of 10 V is induced when the current in the circuit changes uniformly from 1 A to 0.5 A in 0.2 s is

An emf of 40 kV is induced in the secondary of car spark coil when the current in primary changes from 5A to 2A in 20 mus . Calculate the mutual inductance between the primary and secondary windings of this coil.