TS EAMCET 10-Sep-2020 Shift 2 Solved Paper

Two short magnets of equal dipole moments M are fastened perpendicularly at their centres which lies at origin. Let two magnets lie along x-axis and y-axis respectively. The magnitude of the magnetic field at a distance R from the centre on the y-axis is

µ0

4π

.

M

R3

Assuming R≫l (magnet length), the magnitude of M is