JEE Main 2022 — Electrostatics Question with Solution
From: JEE Main 2022 (Online) 30th June Morning Shift
Question
Eight similar drops of mercury are maintained at 12 V each. All these spherical drops combine into a single big drop. The potential energy of bigger drop will be ____________ E. Where E is the potential energy of a single smaller drop.
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Show full solutionCorrect answer: 32
Correct answer
32
Step-by-step explanation
From law of conservation of charge
From (i) & (ii), we get
So, Volt
From (i) & (ii), we get
So, Volt
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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.