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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 particle of mass m oscillates along x-axis according to equation x = a sin ?t
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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 particle of mass m oscillates along x-axis according to equation x = a sin ?t
- A potentiometer wire is 100cm long and a constant potential difference is maintained
- If h is the height of the capillary rise and r be the radius of capillary tube,
- What determines the nature of the path followed by the particle?
- The additional energy that should be given to an electron to reduce its de-Broglie
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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