Find the self-inductance of a circuit in which an e.m.f. of 10V is induced when the current in the circuit changes uniformly from1A to0.5A in 0.2s.

The back e.m.f. induced in an inductive coil is 100 V when the current in the coil changes uniformly from zero to10A in 0.01s. Find the self-inductance of the coil.

The mutual inductance between the two coils is 2 xx 10^-2 H.Due to the change of current in first coil, an e.m.f. of 1.0 xx10^-2 V is induced in the second coil. Find the rate of change of current in the first coil

The coefficient of mutual inductance between a pair of coils is 5mH. Find the e.m.f.induced in one coil when the current in the other coil changes at the rate of 250A//s .

A resistance of 160 Omega is used in series with an inductance L and an a.c. of 230 V, 50 Hz. If the current in the circuit is 0.25A, find L.

The inductance of a coil in which a current of 0.2 A is increasing at the rate of 0.5 A/s represents a power flow of 0.5W is

The mutual inductance of a pair of coils is 0.75H. If the current in the primary coil changes from 0.5A to zero in 0.01s, find the average induced e.m.f. in the secondary.

The value of mutual inductance of two coils is B 10 mH. If the current in one of the coil changes from 5A to 1A in 0.2 s, calculate the value of emf induced in the other coil. Also calculate the value of induced charge passing through thecoil if its resistance is 5 ohm.

A current 10 A in the primary of a transformer is reduced to zero at the uniform rate of 0.1 second. If the co-efficient of mutual inductance is 3H, what isthe e.m.f. induced in the secondary and change in the magnetic flux per turn in the secondary if it has 50 turns?

A long solenoid with 15 turns per cm has a small loop of area 2.0cm^2 placed inside the solenoid normal to to its axis.If the current carried by the solenoid changes steadily from 2.0A to 4.0A in 0.1s, what is the induced emf in the loop while the current is changing?

The self inductance of a coil is 5 H, a current of 1 A change to 2 A within 5 second through the coil. The value of induced e.m.f. will be