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MHT CET 2022 Physics question

PhysicsElectric Charges and FieldsMHT CET 2022

Two point charges and repel each other with a force of 100N. Keeping the distance between them unchanged, if is increased by 10% and is decreased by 10%, the force of repulsion between them will

Answer: (B)

Solution

By Coulomb's law , with fixed so . New product . Hence N, a

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Question ID VK-097073