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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: - If the series limit of Lyman series for hydrogen atom is equal to the series limit
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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
- If the series limit of Lyman series for hydrogen atom is equal to the series limit
- Equal currents are passing through two very long and straight parallel wires
- Three capacitors each of capacity 4 μF are to be connected in such a way that the effective
- The radius of gyration of a solid sphere of radius r about a certain axis is r
- If R is the radius of the earth and g is the acceleration due to gravity
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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