Q123. A short bar magnet with a magnetic moment of 4 A·m2, placed in a vibrating magnetometer, vibrates with a time period of 8 s. Another short bar magnet with a magnetic moment of 8 A·m2 vibrates with a time period of 6 s. If the moment of inertia of the second magnet is 9 × 10-2 kg·m2, what is the moment of inertia of the first magnet? (Assume both magnets are kept in the same uniform magnetic field.)Physics — NUST Mock By IBAGRADS 5 — Question 123 of 200A. 9 × 10-2 kg·m2B. 8 × 10-2 kg·m2C. 5.33 × 10-2 kg·m2D. 12.2 × 10-2 kg·m2Practice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →