How does the charge densities of conductors vary on an irregularly shaped conductor?

Less at sharp and high at flat portion

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High at sharp and less at flat portion

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Remains constant

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Zero at sharp and high at flat portion

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Solution

The correct option is B High at sharp and less at flat portion
On an irregularly shaped conductor, the surface charge density is greatest at the locations where the radius of curvature of the surface is smallest i.e, charge density is inversely proportional to radius of curvature of surface. Since radius of curvature is least at sharp portion and maximum at flat portion, so, charge density is high at sharp portions and less at flat portions.

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