JEE Main 2021 — Electrostatics Question with Solution
From: JEE Main 2021 (Online) 22th July Evening Shift
Question
The total charge enclosed in an incremental volume of 2 109 m3 located at the origin is ___________ nC, if electric flux density of its field is found as
D = ex sin y ex cos y + 2z C/m2
D = ex sin y ex cos y + 2z C/m2
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Show full solutionCorrect answer: 4
Correct answer
4
Step-by-step explanation
= 2 (a constant)
V = 2 109 m3
q = 2 2 109 = 4 nC
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This is a previous-year question from JEE Main 2021, 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.