A bar magnet with magnetic moment 2.5×10³ JT⁻¹ is rotating in horizontal plane

A Bar Magnet With Magnetic Moment 25x10 Jt Is Rotating Physics Question

A bar magnet with magnetic moment 2.5×10³ JT⁻¹ is rotating in horizontal plane in the space containing magnetic induction B=4×10⁻⁵ T. The work done in rotating the magnet slowly from a direction parallel to the field to a direction 45⁰ from the field, is (in joule)

Options

(a) 0
(b) 0.2
(c) 0.03
(d) 0.02

Correct Answer:

0.03

Explanation:

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

Related Questions:

  1. The ratio of the dimensions of planck’s constant and that of the moment of inertia is
  2. An aeroplane flies 400m due to North and then 300m due to south and then flies
  3. If the wavelength of light in vacuum be, the wavelength in a medium of refractive index
  4. An electromagnetic wave of frequency v = 3.0 MHz passes from vacuum into
  5. If an electron and a proton have the same de-Broglie wavelength, then the kinetic

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Your email address will not be published.


*