In Fig, the mutual inductance of a coil and a very long straight wire is `M`, coil has resistance `R` and self-inductance `L`. The current in the wire varies according to the law `I = at`, where `a` is a constant and `t` is the time, the time dependence of current in the coil is

In the adjacent figure, the mutual inducatance of the infinite straight wire and the coil is M, while the self inductance of the coil is L. The current in infinite wire is varying according to the realtion l_(1) = alphat , where alpha is a constant and t is the time. The time dependence of current in the coil is

In the adjacent figure, the mutual inducatance of the infinite straight wire and the coil is M, while the self inductance of the coil is L. The current in infinite wire is varying according to the realtion l_(1) = alphat , where alpha is a constant and t is the time. The time dependence of current in the coil is

In a coil of self-inductance 10mH, the current I (in ampere) varies with time t (in second) as i=8t+2amp

In a coil of self-inductance 10mH, the current I (in ampere) varies with time t (in second) as i=8t+2amp

The self-inductance of a coil is 2H. The current in the coil changes from 8A to 2.95 A in 0.01 s. The time constant of the coil will be -

The self-inductance of a coil is 2H. The current in the coil changes from 8A to 2.95 A in 0.01 s. The time constant of the coil will be -

Two coils, 1 & 2, have a mutual inductance = M and resistances R each. A current flows in coil 1, which varies with time as: I_(1)=kt^(2) , where K is a constant and 't' is time. Find the totalcharge that has flown through coil 2, between t=0 and t=T.

The current i in an induction coil varies with time according to the graph shown in figure. Which of the following graph shows induced emf in the coil with time: