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A bar magnet of magnetic moment M is placed at right angles to a magnetic induction B. If a force F is experienced by each pole of the magnet, the length of the magnet will be
Options
(a) F/MB
(b) MB/F
(c) BF/M
(d) MF/B
Correct Answer:
MB/F
Explanation:
FL = MB (= Torque)
L = MB/F
Related Questions: - A block of mass 10 kg is moving in X-direction with a constant speed of 10 ms⁻¹
- Lumen is the unit of
- Monochromatic light of wavelength 667 nm is produced by a helium neon laser
- The distance travelled by a particle starting from rest and moving with an acceleration
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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
- A block of mass 10 kg is moving in X-direction with a constant speed of 10 ms⁻¹
- Lumen is the unit of
- Monochromatic light of wavelength 667 nm is produced by a helium neon laser
- The distance travelled by a particle starting from rest and moving with an acceleration
- The oscillation of a body on a smooth horizontal surface is represented by the equation
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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