JEE Main 2020 — Electrostatics Question with Solution
From: JEE Main 2020 (Online) 8th January Evening Slot
Question
Consider two charged metallic spheres S1 and
S2 of radii R1 and R2, respectively. The electric
fields E1 (on S1) and E2 (on S2) on their surfaces
are such that E1/E2 = R1/R2. Then the ratio
V1 (on S1) / V2 (on S2) of the electrostatic
potentials on each sphere is :
Choose an option
Show full solutionCorrect option: A
Correct answer
A(R1/R2)2
Step-by-step explanation
We know,
E1 = and E2 =
Given
Now =
E1 = and E2 =
Given
Now =
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This is a previous-year question from JEE Main 2020, 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.