The average self-induced emf in a 25mH solenoid when the current in it falls from 0.2A to 0A in 0.01 second, is

An average induced emf of 0.20 V appears in a coil when the current in it is changed from 5A in one direction to 5A in the opposite direction in 0.20 s. Find the self-inductance of the coil in mH.

The mutual inductance between two adjacent coils is 1.5 H. If the current in the primary coil changes from 0 to 20 A in 0.05 s, determine the average emf induced in the secondary coil. If the number of turns in the secondary coil is 800, what change in flux will be observed in it?

The self induction of an inductor L = 2mH, and the current through it follows the equation i = e^-t t^2 , then the time at which emf becomes zero

An emf of 100V is induced in a coil when the current through it changes at the rate of 50A.s^(-1) . Determine the self-inductance of the coil.

A square loop of wire of side 10 cm is placed at angle of 45^(@) with a magnetic field that changes uniformly from 0.2 T to zero in 1 second. Find the current induced in the loop of resistance 1 Omega .

A coil with an average diameter of 0.04 m is placed perpendicular to a magnetic field of 4000T. If induced emf is 22V when the magnetic field is changed to 2000T in 2s. What is the number of turns in the coil?

Two differenct coils have self-inductances L_(1)=16 mH and L_(2)=12mH . At a certain instant, the current in the two coils is increasing at the same rate and power supplied to the two coils is the same. Find the ratio of induced current

Two differenct coils have self-inductances L_(1)=16 mH and L_(2)=12mH . At a certain instant, the current in the two coils is increasing at the same rate and power supplied to the two coils is the same. Find the ratio of induced voltage