JEE Main 2007 — Electrostatics Question with Solution
From: AIEEE 2007
Question
Charges are placed on the vertices of a square as shown. Let be the electric field and the potential at the center. If the charges on and are interchanged with those on and respectively, then
This question includes a diagram. The text above accompanies the figure.
Choose an option
Show full solutionCorrect option: A
Correct answer
A changes, remains unchanged
Step-by-step explanation
As shown in the figure, the resultant electric fields before and after interchanging the charges will have the same magnitude, but opposite directions.
Also, the potential will be same in both cases as it is a scalar quantity.
Also, the potential will be same in both cases as it is a scalar quantity.
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This is a previous-year question from JEE Main 2007, 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.