JEE Main 2021 — Magnetic Effects of Current Question with Solution
JEE Main 2021 (18 Mar Shift 1)
Question
A loop of flexible wire of irregular shape carrying current is placed in an external magnetic field. Identify the effect of the field on the wire.
Choose an option
Show full solutionCorrect option: A
Correct answer
ALoop assumes circular shape with its plane normal to the field.
Step-by-step explanation
Every part ( ) of the wire is pulled by the force acting perpendicular to the current magnetic field giving it the shape of a circle.
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This is a previous-year question from JEE Main 2021, 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.