JEE Main 2024 · PhysicsMultiple choiceSingle correctMediumMulti-step

JEE Main 6 April 2024, Shift 2, Physics Q42

Question 42 of 90 in this shift, Physics question 12 of 30, Section A.

Two identical conducting spheres

P

and

S

with charge

Q

on each, repel each other with a force 16 N. A third identical uncharged conducting sphere

R

is successively brought in contact with the two spheres. The new force of repulsion between

P

and

S

is :

(1)6 NOfficial answer
(2)12 N
(3)4 N
(4)1 N

Official answer

Option 1

NTA final key.

Chapter: Electric Charges and Fields
Topic: Coulomb's Law
Idea tested: Charge Redistribution via Conduction

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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.