JEE Main 2021 — Electrostatics Question with Solution
From: JEE Main 2021 (Online) 25th February Evening Shift
Question
Two identical conducting spheres with negligible volume have 2.1 nC and 0.1 nC charges, respectively. They are brought into contact and then separated by a distance of 0.5 m. The electrostatic force acting between the spheres is __________ 109 N.
[Given : SI unit]
[Given : SI unit]
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Show full solutionCorrect answer: 36
Correct answer
36
Step-by-step explanation
When they brought into contact & then separated by a distance = 0.5 m
Then charge distribution will be
The electrostatic force acting b/w the sphere is
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This is a previous-year question from JEE Main 2021, 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.