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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: - The work function of metals is in the range of 2 eV to 5 eV.
- A nucleus disintegrates into two nuclear parts which have their velocities in the ratio
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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
- The work function of metals is in the range of 2 eV to 5 eV.
- A nucleus disintegrates into two nuclear parts which have their velocities in the ratio
- An oscillator circuit consists of an inductance of 0. mH and a capacitor of 20 μF.
- Masses of 3 wires of same metal are in the ratio 1:2:3 and their lengths
- A Galilean telescope has an objective of focal length 100 cm and magnifying power 50
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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