Physics · Moving Charges and Magnetism
A toroid of n turns, mean radius R and cross-sectional radius a carries current I. It is placed on a horizontal table taken as the x-y plane. Its magnetic moment m is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 1pointing radially outwards.
- 2zero, otherwise there would be a field falling as 1/r3 at large distances outside the toroid.✓
- 3pointing along the azimuthal direction.
- 4non-zero and points in the z-direction by symmetry.
Correct answer
zero, otherwise there would be a field falling as 1/r3 at large distances outside the toroid.
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
👥
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Online Test Series
Start Free Mock Test →Preparing for Physics?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice Moving Charges and Magnetism MCQs →Want more practice questions on Moving Charges and Magnetism?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Physics · Moving Charges and Magnetism