A bar magnet is hung by a thin cotton thread in a uniform horizontal magnetic field

A Bar Magnet Is Hung By A Thin Cotton Thread Physics Question

A bar magnet is hung by a thin cotton thread in a uniform horizontal magnetic field and is in equillibrium state. The energy required to rotate it by 60⁰ is W. Now the torque required to keep the magnet in this new position is

Options

(a) W/√3
(b) √3W
(c) √3W/2
(d) 2W/√3

Correct Answer:

√3W

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

Related Questions:

  1. Slope of PV and V for an isobaric process will be
  2. A spherical shell of radius 10cm is carrying a charge q. If the electric potential
  3. Two metal spheres of radii 0.01m and 0.02m are given a charge of 15mC and 45mC
  4. Three identical spherical shells, each of mass m and radius r are placed
  5. The velocity of sound is V, in air. If the density of air is increased to four times

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Your email address will not be published.


*