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MHT CET 2024 Physics question

PhysicsElectrostatic Potential and CapacitanceMHT CET 2024

90 J of work is done to move an electric charge of magnitude 3 C from a place A, where potential is -10 V to another place B, where potential is '' volt. The value of '' is

Answer: (B)

Solution

Work done in moving a charge between two points is . Substituting, , so and V. Hence (B). Option (C) 30 V is obtained by

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Question ID VK-092713