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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
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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 speeding motorcyclist sees traffic jam ahead him. He slows down to 36 km per hour
- Dimensions of Torque are
- A source of sound and a detector are moving along the same line with same speed
- The magnetic susceptibility of a material of a rod is 449. Permeability of vaccum
- A car wheel is rotated to uniform angular acceleration about its axis
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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