JEE Main 2024 · PhysicsMultiple choiceSingle correctEasyApplication

JEE Main 29 January 2024, Shift 1, Physics Q40

Question 40 of 90 in this shift, Physics question 10 of 30, Section A.

Two charges of

5Q

and

-2Q

are situated at the points

(3a, 0)

and

(-5a, 0)

respectively. The electric flux through a sphere of radius '

4a

' having center at origin is :

(1) $\frac{3Q}{\varepsilon_0}$
(2) $\frac{7Q}{\varepsilon_0}$
(3) $\frac{5Q}{\varepsilon_0}$ Official answer
(4) $\frac{2Q}{\varepsilon_0}$

Official answer

Option 3

NTA final key.

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

Same idea in other shifts

Asked 4× in all

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8 Apr 2025, Shift 2 · Q36An infinitely long wire has uniform linear charge density $\lambda = 2$ nC/m. The net flux through a Gaussian cube of side length…MediumSingle correct
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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 42 of the 174 JEE Main shifts held from 2017 to 2026.