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 QuestionA 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.

AddThis Website Tools
admin:

Related Questions

  1. If a mass of 20g having charge 3.0 mC moving with velocity 20ms⁻¹ enters a region
  2. If the binding energy of the electron in a hydrogen atom is 13.6 eV, the energy
  3. For a transformer, the turns ratio is 3 and its efficiency is 0.75. The current flowing
  4. An electric dipole of moment p is lying along a uniform electric field E. The work
  5. Calcium plate has a maximum possible radiation wavelength 400 nm to eject electrons.