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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)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Minority carriers in a p-type semiconductor are
- Energy in a current carrying coil is stored in the form of
- A point source emits sound equally in all directions in a non-absorbing medium.
- 10 mA current can pass through a galvanometer of resistance 25 ohm.
- A thin glass(refractive index 1.5) lens has optical power of -5D in air.
Topics: Magnetic Effects of Current and Magnetism (167)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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