The average self-induced emf in a `25m H` solenoid when the current in it falls from `0.2 A` to `0 A
Channel: Doubtnut
Date: 09/02/2020

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