JohnnyR8404 JohnnyR8404 29-12-2023 Physics contestada A circular loop of radius r is carrying current I A. The ratio of magnetic field at the centre of circular loop and at a distance r from the center of the loop on its axis is : (1) 1 : 3√2 (2) 3√2 : 2 (3) 2√2 : 1 (4) 1 : √2R