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 2A changes to 6A in 2 seconds and induces an emf of 20 mV in the secondary coil.

Calculate the mutual inducatnce between two coils when a current of 2A changes to 6A in 2 seconds and induces an emf of 20 mV in the 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 .

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.

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.