| ⇦ | 
| ⇨ |
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: - Two sources of sound placed close to each other are emitting progressive waves
- A body of mass 120 kg and density 600 kg/m³ floats in water.
- Moment of inertia, along the diameter of a ring is
- Three resistances 2Ω, 3Ω and 4Ω are connected in parallel. The ratio of currents passing
- The magnetic susceptibility of a material of a rod is 449. Permeability of vaccum
Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two sources of sound placed close to each other are emitting progressive waves
- A body of mass 120 kg and density 600 kg/m³ floats in water.
- Moment of inertia, along the diameter of a ring is
- Three resistances 2Ω, 3Ω and 4Ω are connected in parallel. The ratio of currents passing
- The magnetic susceptibility of a material of a rod is 449. Permeability of vaccum
Topics: Magnetic Effects of Current and Magnetism (167)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply