JEE Main 2026 — Electromagnetic Induction Question with Solution
JEE Main 2026 (21 January Shift 1)
Question
A 1 m long metal rod AB completes the circuit as shown in figure. The area of circuit is perpendicular to the magnetic field of 0.10 T. If the resistance of the total circuit is then the force needed to move the rod towards right with constant speed (v) of is N.
Choose an option
Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
Given: m, T, Ω, m/s
Motional EMF: V
Current: A
Magnetic force on rod: N
For constant velocity, applied force equals magnetic force.
Motional EMF: V
Current: A
Magnetic force on rod: N
For constant velocity, applied force equals magnetic force.
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This is a previous-year question from JEE Main 2026, covering the Electromagnetic Induction 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.