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JEE Main 2024 · PhysicsMultiple choiceSingle correctEasyConceptual

JEE Main 8 April 2024, Shift 1, Physics Q45

Question 45 of 90 in this shift, Physics question 15 of 30, Section A.

Two charged conducting spheres of radii

a

and

b

are connected to each other by a conducting wire. The ratio of charges of the two spheres respectively is:

(1) $\frac{a}{b}$ Official answer
(2) $\frac{b}{a}$
(3) $ab$
(4) $\sqrt{ab}$

Official answer

Option 1

NTA final key.

Chapter: Electrostatic Potential and Capacitance
Topic: Conductors in Fields
Idea tested: Charge Ratio of Connected Distant Spheres

Same idea in other shifts

Asked 2× in all

3 Sep 2020, Shift 1 · Q10Two isolated conducting spheres S $_1$ and S $_2$ of radius $\frac{2}{3}$ R and $\frac{1}{3}$ R have 12 $\mu$ C and $-3$ $\mu$ C charges,…EasySingle correct

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.