A coil of self-inductance `50` henry is joined to the terminals of a battery of e.m.f. `2` volts
Channel: Doubtnut
Date: 2020-01-19

A coil of self-inductance `50` henry is joined to the terminals of a battery of e.m.f. `2` volts through a resistance of `10ohm` and a steady current is flowing through the circuit. If the battery is now disconnected, the time in which the current will decay to `1//e` of its steady value is