JEE Main 2019 — Electrostatics Question with Solution
From: JEE Main 2019 (Online) 10th January Evening Slot
Question
Four equal point charges Q each are placed in the xy plane at (0, 2), (4, 2), (4, –2) and (0, –2). The work required to put a fifth charge Q at the origin of the coordinate system will be -
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
Potential at origin =
(Potential at = 0)
= KQ
Work required to put a fifth charge Q
at origin is equal to
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This is a previous-year question from JEE Main 2019, 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.