First slide

Pontial due to

Question

The radii of two metallic spheres P and Q are r₁ and r₂ respectively. They are given the same charge. If r₁ > r₂, then on connecting them with a thin wire, then

Moderate

A

the charge will flow from P to Q
B

the charge will flow from Q to P
C

neither the charge will flow from P to Q nor from Q to P
D

The information is incomplete

Solution

Charge flows from high potential to lower potential.
If positive charge is given, then V₁ < V₂ as r₁ > r₂
So positive charge flows from Q ➔ P.
If negative charge is given, then V₁ > V₂
So negative charge flows form P ➔ Q.
Since it is not given that whether the charge given is positive or negative, hence the information is incomplete.

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