0 5 3 The effective radius of a circular coil is R an number

Last updated: 6/11/2023

0 5 3 The effective radius of a circular coil is R an number of turns is N The current through it is ampere The work done in rotating the coil b angle of 180 in an external magnetic field B wi be initially plane of coil is perpendicular to magnetic field 1 NiR B 3 2NiB 2 2NiR B 4 Zero