A current of `300muA` deflects a coil of a moving coil galvanometer through `30^@`.
Channel: Doubtnut
Date: 2020-08-02

A current of `300muA` deflects a coil of a moving coil galvanometer through `30^@`. What should be the current to cause the rotation through `pi//5` radius? What is the current sensitivity of the galvanometer ? If resistance of galvanometer is `50Omega`, find its voltage sensitivity.