A tangent galvanometer has a coil of 25 turns and radius of 15 cm. The horizontal component of the
Channel: Doubtnut
Date: 2020-01-19

A tangent galvanometer has a coil of 25 turns and radius of 15 cm. The horizontal component of the earth\'s magnetic field is `3xx10^(-5)T`. The current required to producea defection of `45^(@)` in it, is