A moving coil galvanometer has a 50-turn coil of size `2cm xx 2cm`. It is suspended between the
Channel: Doubtnut
Date: 2020-07-05

A moving coil galvanometer has a 50-turn coil of size `2cm xx 2cm`. It is suspended between the magnetic poles producing a magnetic field of `0.5 T`. Find the torque on the coil due to the magnetic field when a current of `20mA` passes through it.