7 A circular coil of 70 turns and radius 5 cm carrying a

Last updated: 6/10/2023

7 A circular coil of 70 turns and radius 5 cm carrying a current of 8 A is suspended vertically in a uniform horizontal magnetic field of magnitude 1 5 T The field lines make an angle of 30 with the normal of the coil then the magnitude of the counter torque that must be applied to prevent the coil from turning is a 33 Nm b 3 3 Nm c 3 3 x 10 2 N m d 3 3 x 10 Nm