A bar magnet of magnetic moment M is placed at right angles to a magnetic

A Bar Magnet Of Magnetic Moment M Is Placed At Physics Question

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:

  1. A circular disc of radius R is removed from a bigger circular disc of radius 2R
  2. A boat taken 2h to travel 8km and back in still water.If the velocity of water 4 km/h
  3. Surface tension of a solution is 30 x 10⁻² N/m. The radius of the soap bubble is 5 cm
  4. Photon of frequency ν has a momentum associated with it. If c is the velocity
  5. A magnetic needle suspended parallel to a magnetic field requires √3J of work

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.

NEETLab Mobile App

Share this page with your friends

Be the first to comment

Leave a Reply

Your email address will not be published.


*