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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: - An iron rod of volume 10⁻⁴ m³ and relative permeability 1000 is placed inside a long
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- A satellite is launched into a circular orbit of radius R around earth while
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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
- An iron rod of volume 10⁻⁴ m³ and relative permeability 1000 is placed inside a long
- Copper of fixed volume V is drawn into wire of length l. When this wire is subjected
- A satellite is launched into a circular orbit of radius R around earth while
- A condenser of 250 μF is connected in parallel to a coil of inductance of 0.16 mH
- Two points are located at a distance of 10 m and 15 m from the source of oscillation
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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