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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: - In a circuit, L,C and R are connected in series with an alternating voltage source
- Which of the following is true for elastic potential energy density?
- The dimensional formula for Young’s modulus is
- Heat is not being exchanged in a body. If its internal energy is increased, then
- Two particles A and B having equal charges, after being accelerated
Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In a circuit, L,C and R are connected in series with an alternating voltage source
- Which of the following is true for elastic potential energy density?
- The dimensional formula for Young’s modulus is
- Heat is not being exchanged in a body. If its internal energy is increased, then
- Two particles A and B having equal charges, after being accelerated
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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