A tangent galvanometer has a coil of 50 turns and a radius

Last updated: 6/12/2023

A tangent galvanometer has a coil of 50 turns and a radius of 20 cm The horizontal component of the earth s magnetic field is BH 3 10 5 T Find the current which gives a deflection of 45 0 30 A 0 25 A 0 1 A 0 19 A