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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 two slits in Young’s experiment are 0.4 mm apart and fringe width on a screen
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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 two slits in Young’s experiment are 0.4 mm apart and fringe width on a screen
- A change of 0.04 V takes place between the base and the emitter when an input
- The phenomenon of radioactivity
- Two charges of equal magnitude q are placed in air at a distance 2a
- A radiotransmitter radiates 1 kW power at a wavelength 198.6 m. How many photons
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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