JEE Main 2022 — Electrostatics Question with Solution
From: JEE Main 2022 (Online) 25th July Morning Shift
Question
The volume charge density of a sphere of radius is . The number of lines of force per unit surface area coming out from the surface of the sphere is _______________ .
[Given : Permittivity of vacuum )
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Show full solutionCorrect answer: 45.19
Step-by-step explanation
= 2 c/cm3
R = 6 m
Number of lines of force per unit area = Electric field at surface.
N/C
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This is a previous-year question from JEE Main 2022, 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.