MHT CET 2025 Physics question

PhysicsElectrostatic Potential and CapacitanceMHT CET 2025

Three charges each of magnitude 3 C, are placed on the vertices of an equilateral triangle of side 6 cm. The net potential energy of the system will be nearly [ SI unit]

Answer: (C)

Solution

The system has three pairs of charges, each pair at distance m, so . With C: . Then

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Question ID VK-102008