A current of 10 A in primary of a circuit is reduced to zero at a unifrom rate in `10^(-3)`s. If
Channel: Doubtnut
Date: 02/08/2020

A current of 10 A in primary of a circuit is reduced to zero at a unifrom rate in `10^(-3)`s. If coeff.of mutual inductance is 3 H, what is the induced e.m.f. in the secondary ?