When the current in a coil changes from `8A` to `2A` in `3xx10^(-2)s` , th eemf induced in the coil is `2V` . The self-induced of coil in `mH`

(a) When the current in a coil changes from 8A to 2A in 3xx10^(-2)s , the emf induced in the coil is 2V . The self-induced of coil in mH (b) A 12V battery conneted to a 6Omega . 10H coil through a switch drives a constant current in the circuit. The switch is suddenly opened. Assuming that it took 1msec to open the switch, calculate the average emf induced across the coil. (c) The equivalent inductance of two inductored in series. What is the value of inductances of the individual inductors? (d) If i=5A and decreasing at a rate of 10^(3) (A/sec), find V_(B)-B_(A) .

When the current in a coil changeg from 8 amperes to 2 amperes in 3xx10^(-2) seconds, the e.m.f. induced in the coil is 2 volt. The self-inductance of the coil (in millihenry) is

When the current in a coil changeg from 8 amperes to 2 amperes in 3xx10^(-2) seconds, the e.m.f. induced in the coil is 2 volt. The self-inductance of the coil (in millihenry) is

When current in a coil changes to 2 ampere from 8 ampere in 3xx10^(-3) , the e.m.f. induced in the coil is 2 volt. The self-inductance of the coil in millihenry is

A varying current in a coil change from 10A to 0A in 0.5 sec . If the average emf induced in the coil is 220V , the self inductance of the coil is

The current in the coil changes from 3A to 6 A in 3sec. If the induced e.m.f. in the coil is 60 V, then self inductance of the coil is

A varying current in a coil change from 10A to 0 in 0.5sec. If the average emf induced in the coil is 220V, the self inductance of the coil is :

A varying current ina coils changes from 10 A to zero in 0.5 s .If the average emf induced in the coils is 220 V , the self- inductance of the coils is