JEE Main 2024 · PhysicsMultiple choiceSingle correctMediumConceptual

JEE Main 6 April 2024, Shift 1, Physics Q38

Question 38 of 90 in this shift, Physics question 8 of 30, Section A.

\sigma

is the uniform surface charge density of a thin spherical shell of radius

R

. The electric field at any point on the surface of the spherical shell is :

(1) $\sigma/\epsilon_o$ Official answer
(2) $\sigma/2\epsilon_o$
(3) $\sigma/\epsilon_o R$
(4) $\sigma/4\epsilon_o$

Official answer

Option 1

NTA final key.

Chapter: Electric Charges and Fields
Topic: Gauss's Law
Idea tested: Electrostatic Pressure

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Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.