JEE Main 2011 — Electrostatics Question with Solution
From: AIEEE 2011
Question
The electrostatic potential inside a charged spherical ball is given by where is the distance from the center and are constants. Then the charge density inside the ball is:
Choose an option
Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
Electric field
By Gauss's theorem
From and
Charge density,
By Gauss's theorem
From and
Charge density,
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This is a previous-year question from JEE Main 2011, 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.