JEE Main 2021 — Magnetic Properties Of Matter Question with Solution
From: JEE Main 2021 (Online) 16th March Morning Shift
Question
A bar magnet of length 14 cm is placed in the magnetic meridian with its north pole pointing towards the geographic north pole. A neutral point is obtained at a distance of 18 cm from the center of the magnet. If BH = 0.4 G, the magnetic moment of the magnet is : (1G = 104 T)
Choose an option
Show full solutionCorrect option: B
Correct answer
B2.880 J T1
Step-by-step explanation
M = m 14 cm =
M = 2.880 J/T
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This is a previous-year question from JEE Main 2021, 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.