OnlineCBT Logo OnlineCBT
⚲
हिन्दी
OnlineCBT Logo OnlineCBT
⚲

Physics · JEE | Magnetism and Matter

हिन्दी

Based on Figure 5.4 configuration analysis (Example 5.2), which configuration of the two magnetic needles P and Q corresponds to the lowest potential energy and stable equilibrium?

Question diagram
  1. A
    \( PQ_6 \)
  2. B
    \( PQ_4 \)
  3. C
    \( PQ_5 \)
  4. D
    \( PQ_3 \)
View Answer & Solution

Correct answer · Option A

\( PQ_6 \)

Explanation

Configuration \( PQ_6 \) corresponds to the lowest potential energy among all shown configurations.

Related questions

A bar magnet of magnetic moment \( 1.5\text{ J T}^{-1} \) lies aligned with the direction of a uniform magnetic field of \( 0.22\text{ T} \). What is the amount of work required by an external torque to turn the magnet so as to align its magnetic moment normal to the field direction?→Consider the following statements about magnetic properties: (I) The magnetisation \( M \) of a material is defined as its dipole moment per unit volume. (II) Magnetic intensity \( H \) has the same dimensions as magnetisation \( M \). (III) The relative magnetic permeability \( \mu_r \) is the analog of the dielectric constant in electrostatics. (IV) Magnetic monopoles can be isolated by cutting a bar magnet into two halves. How many of the above statements are correct?→Consider the following statements regarding properties of magnetic field lines: (A) Magnetic field lines of a magnet form continuous closed loops. (B) The tangent to the field line at a given point represents the direction of the net magnetic field \( \mathbf{B} \) at that point. (C) Magnetic field lines can intersect each other at neutral points. (D) The larger the number of field lines crossing per unit area, the stronger is the magnitude of the magnetic field \( \mathbf{B} \). Which of the above statements are correct?→Using the electrostatic analogy, what is the equatorial magnetic field \( B_E \) of a short bar magnet of magnetic moment \( m \) at a distance \( r \) (\( r \gg l \))?→
OnlineCBT

Our mission is "To educate students and help them excel in competitive exam preparation to the best of their potential. To impart good values in students and develop their overall exam readiness."

Useful Link
Important Pages
Courses & Practice
Contact
Address

Plot No 10, Dholigumti, Panditpura Road, Bandikui, Dausa(Raj) 303313

Contact

+91 9694780911

 E-mail

onlinecbtportal@gmail.com

 Helpline Number

+91 9694780911
Share
Click To Download
Get it on Google Play

ऐप डाउनलोड करने
के लिए Google Play पर
उपलब्ध है

Terms of Use | Privacy Policy | Cookie Policy | Disclaimer | Editorial Policy | Fact Check | Corrections | DMCA | Ad Choices

Copyright © 2026 - OnlineCBT.in. All Rights Reserved.

WhatsApp Chat