JEE Main 2012 — Magnetic Properties of Matter Question with Solution
JEE Main 2012 (07 May Online)
Question
A bar magnet of length has a magnetic moment of . Find the strength of magnetic field at a distance of from the centre of the magnet along its equatorial line.
Choose an option
Show full solutionCorrect option: C
Correct answer
C tesla
Step-by-step explanation
Along the equatorial line, magnetic field strength
Given:
Solving we get, tesla
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This is a previous-year question from JEE Main 2012, covering the Magnetic Properties of Matter chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.