A bar magnet of moment of inertia I is vibrated in a magnetic field of induction

A Bar Magnet Of Moment Of Inertia I Is Vibrated Physics Question

A bar magnet of moment of inertia I is vibrated in a magnetic field of induction 0.4×10⁻⁴ T. The time period of vibration is 12 s. The magnetic moment of the magnet is 120Am². The moment of inertia of the magnet is (in kgm²) approximately

Options

(a) 172.8×10⁻⁴
(b) 2.1×10⁻²
(c) 1.57×10⁻²
(d) 1728×10⁻²

Correct Answer:

172.8×10⁻⁴

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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Topics: Magnetic Effects of Current and Magnetism (167)
Subject: Physics (2479)

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