Question No 8 A bar magnet has a magnetic moment equal to 5

Last updated: 6/13/2023

Question No 8 A bar magnet has a magnetic moment equal to 5 10 5 Wb m It is suspended in a magnetic field which has a magnetic inducting B equal to 8 10 4 Tesla The magnet vibrates with a period of vibration equal to 15s The moment of inertia of the magnet is Mo 4 x 10 7 Wb A m Options 22 5 kg m 11 25 kg m 2