4 58 The magnetic induction normal to the plane of circular

Last updated: 6/7/2023

4 58 The magnetic induction normal to the plane of circular coil of n turns and radius r which carries a current i is measured on the axis at a small distance h from the centre of the coil This is smaller than the mangetic induction at the centre by the fraction A C 2h 37 2 r 3 h 2p B D 3 2 2 h 2 h 2 3