JEE Main 2021 — Magnetic Effects of Current Question with Solution
JEE Main 2021 (17 Mar Shift 2)
Question
A hairpin like shape as shown in figure is made by bending a long current carrying wire. What is the magnitude of a magnetic field at point which lies on the centre of the semicircle ?
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Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
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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.