Calculate the self- inductance of a coil when a change of current from 0 to 2A in 0.05 s induces an emf of 80 V.

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.

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.

Calculate the mutual inductance between two coils, when a current of 4.0 A changes to 8.0 A in 0.5 s and induces an e.m.f. of 50 mV in the secondary coil.

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 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 .

The value of the self inductance of a coil is 5 H. If the current in the coil changes steadily from 1A to 2A in 0.5 seconds, then the magnitude of induced emf is __

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