The average e.m.f. induced in a coil in which the current changes from 2 ampere to 4 ampere in 0.05 second is 8 volt . What is the self inductance of the coil ?

The average e.m.f. induced in a coil in which the current changes from 2 amperes to 4 amperes in 0.05 seconds is 8 volts. What is the self-inductance of the coil?

The average e.m.f. induced in a coil in which current changes from 0.2 ampere to 0.4 ampere in 0.1s is 1 volt, the self inductance of the coil is

The back e.m.f. induced in a coil, when current change from 1 ampere to zero in one millisecond , is 4 volts , the self-inductance of the coil is

Calculate the e.m.f . induced in a coil of inductance 15 H in which the current changes from 8 ampere to 5 ampere in 1 second.

If the back e.m.f. induced in a coil, when current changes from 1A to zero in one millisecond, is 5 volts, the self-inductance of the coil is