JEE Main 2015 — Electrostatics Question with Solution
From: JEE Main 2015 (Offline)
Question
A uniformly charged solid sphere of radius has potential (measured with respect to ) on its surface. For this sphere the equipotential surfaces with potentials and have radius and respectively. Then
Choose an option
Show full solutionCorrect option: A
Correct answer
A and
Step-by-step explanation
We know,
Now, [For ]
At the center of sphere Here
Now,
Also, and
Now, [For ]
At the center of sphere Here
Now,
Also, and
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This is a previous-year question from JEE Main 2015, 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.