Teaching UP B.Ed (Paper 1 & 2) Mock Test 2025 Physics Moving Charges and Magnetism Torque on a Current Loop
A square coil of side 20 cm consists of 30 turns and carries a current of 10 A, then the magnetic moment of the coil is:
1
12 A-m2
2
1.2 A-m2
3
0.12 m2
4
None of these