JEE Main 2026 — Magnetic Effects of Current Question with Solution
JEE Main 2026 (04 April Shift 2)
Question
A circular coil of radius cm and turns carries a current of A. The coil is placed in a uniform magnetic field of magnitude T. The axis of the coil makes an angle of with the direction of the magnetic field. The torque acting on the coil is N.m. The value of is ______.
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Show full solutionCorrect answer: 314
Correct answer
314
Step-by-step explanation
The magnetic moment of the coil is given by .
The torque acting on the coil is .
Substituting the given values:
N.m
Comparing with N.m, we get .
Answer:
The torque acting on the coil is .
Substituting the given values:
N.m
Comparing with N.m, we get .
Answer:
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This is a previous-year question from JEE Main 2026, 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.