state gov RPSC 2nd Grade Senior Teacher Mock Test Series 2025 Physics Moving Charges and Magnetism The Magnetic Dipole Moment
A short bar magnet placed with its axis at 30° with a uniform external magnetic field of 0.25 T experiences a torque of magnitude equal to 4.5 × 10-2 J. What is the magnitude of magnetic moment of the magnet?
1
0.36 J T-1
2
0.036 J T-1
3
3.6 J T-1
4
36 J T-1
5
Question Not Attempted