a b 4r 2r Y 2 40 A circular coil of radius R carries an

Last updated: 6/24/2023

a b 4r 2r Y 2 40 A circular coil of radius R carries an electric current The magnetic field due to the coil at a point on the axis at a distance x from the centre of coil is th of the magnetic field at the centre of coil 8 Value of x is a R b 2R c 2R d 3R