JEE Main 2019 — Electrostatics Question with Solution
JEE Main 2019 (10 Apr Shift 1)
Question
A uniformly charged ring of radius and total charge is placed in plane centred at origin. A point charge is moving towards the ring along the axis and has speed at . The minimum value of such that it crosses the origin is:
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
From the conservation of energy,
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This is a previous-year question from JEE Main 2019, covering the Electrostatics 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.