Ap Eapcet
Magnetism And Matter
AP EAPCET 2025 - 22nd May Evening Shift
MCQ+1 / -02025
A short bar magnet of magnetic moment $10^4 \mathrm{JT}^{-1}$ is free to rotate in a horizontal plane. The work done in rotating the magnet slowly from the direction parallel to a horizontal magnetic field of $4 \times 10^{-5} \mathrm{~T}$ to a direction $60^{\circ}$ to the direction of the field is