Question
Two spherical conductors of radii 2 cm and 8 cm are
connected. The ratio of charges on them at equilibrium is:Solution
When connected, both spheres attain the same potential. Potential V = q/r ⇒ q₁/r₁ = q₂/r₂ ⇒ q₁/q₂ = r₁/r₂ So, q₁/q₂ = 2/8 = 1: 4.
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