| ⇦ | 
| ⇨ |
A short bar magnet of magnetic moment 0.4 JT⁻¹ is placed in a uniform magnetic field of 0.16 T. The magnet is in stable equlibrium when the potential energy is
Options
(a) -0.064 J
(b) zero
(c) -0.082 J
(d) 0.064 J
Correct Answer:
-0.064 J
Explanation:
For stable equilibrium
U = -MB
= – (0.4)(0.16)
= – 0.064 J
Related Questions: - The frequency of an alternating voltage is 50 cycles per second and its amplitude
- A particle of mass 1 mg has the same wavelength as an electron moving with a velocity
- A radioactive substance emits n beta particles in the first 2 s and 0.5 n beta
- A bar magnet of moment M and pole strength m is cut into parts of equal lengths.
- For CE transistor amplifier, the audio signal voltage across the collector resistance
Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The frequency of an alternating voltage is 50 cycles per second and its amplitude
- A particle of mass 1 mg has the same wavelength as an electron moving with a velocity
- A radioactive substance emits n beta particles in the first 2 s and 0.5 n beta
- A bar magnet of moment M and pole strength m is cut into parts of equal lengths.
- For CE transistor amplifier, the audio signal voltage across the collector resistance
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