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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 short magnet of magnetic moment M, is placed on a straight line. The ratio
- Pure Si at 300 k has equal electrons (nₑ) and hole (nh) concentrations
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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 short magnet of magnetic moment M, is placed on a straight line. The ratio
- Pure Si at 300 k has equal electrons (nₑ) and hole (nh) concentrations
- According to Hook’s law, force is proportional to
- Two coils have the mutual inductance of 0.05 H.
- An electron of mass Mₑ, initially at rest, moves through a certain distance in a uniform
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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