The mutual inductance (M) of the two coils is given as `1.5H`. The self inductance of the coils are , `L_1 = 5H`, `L_2 = 4H`.Find the coefficient of coupling between the coils.

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.

The self inductance of the coil of 100 turns,in which a current of 4A produces a flux of 40 Wb is

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 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 current in a coil changes from 0 to 20 A in 0.5S. If the induced emf is 80V, the self inductance of the coil is

The self inductance of the coil is L.Keeping the length and area same,the number of turns in the coil is increased to four times.The self induction of the coil will now be

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 .

Define mutual inductance. Derive formula for the induced e.m.f. in the coil due to mutual inductance.

A coil has an inductance of 0.5H. Calculate:- its impedance if the resistance of the circuit is 50 Omega and