Two concentric spheres of radii R and r have similar charges with equal surface charge densities σ . The electric potential at their common centre is

Question

Two concentric spheres of radii R and r have similar charges with equal surface charge densities σ . The electric potential at their common centre is, σ / ε 0, σ ε 0 R - r, σ ε 0 R + r, σ 4 π ε 0 R + r

MARKS App · Accepted Answer

The potential at the centre is the same as that on the surface, ∴ v = σ r ε 0 + σ R ε 0

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