JEE Main 2022 · 27 Jul · Shift 2 · Physics Q40

← JEE Main 2022 · 27 Jul · Shift 2

PhysicsSingle correct+4 / -1Question 40 of 90

A charge of 4 μC is to be divided into two. The distance between the two divided charges is constant. The magnitude of the divided charges so that the force between them is maximum, will be :

1 μC and 3 μC

2 μC and 2 μC

0 and 4 μC

1.5 μC and 2.5 μC

Answer and worked solution

Official answer: B

Maximise $q(4-q)$ : largest at $q=2$ μC.

(B)

Topics:Coulomb's law and superposition

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JEE Main 2022 · 27 Jul · Shift 2, Physics question 40