JEE Main 2026 — Magnetic Effects of Current Question with Solution
JEE Main 2026 (08 April Shift 2)
Question
A mg particle carrying a charge of C is moving with velocity of m/s in a region having magnetic field Wb/m. It moves a distance of meter along when it completes revolutions. The value of is ________.
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Show full solutionCorrect answer: 2
Correct answer
2
Step-by-step explanation
Given:
Mass of the particle,
Charge,
Velocity,
Magnetic field,
The velocity component parallel to the magnetic field is .
The time period of one revolution is given by:
Substituting the given values:
The time taken to complete revolutions is:
The distance moved along the direction (pitch for revolutions) is:
Answer:
Mass of the particle,
Charge,
Velocity,
Magnetic field,
The velocity component parallel to the magnetic field is .
The time period of one revolution is given by:
Substituting the given values:
The time taken to complete revolutions is:
The distance moved along the direction (pitch for revolutions) is:
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.