JEE Main 2013 — Magnetic Effects of Current Question with Solution
JEE Main 2013 (23 Apr Online)
Question
A rectangular loop of wire, supporting a mass , hangs with one end in a uniform magnetic field pointing out of the plane of the paper. A clockwise current is set up such that , where is the width of the loop. Then :
Choose an option
Show full solutionCorrect option: C
Correct answer
CThe weight rises due to a vertical force caused by the magnetic field but no work is done on the system.
Step-by-step explanation
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This is a previous-year question from JEE Main 2013, covering the Magnetic Effects of Current 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.