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MHT CET Physics question

PhysicsElectric Charges and FieldsMHT CET

Two point charges and are 'l' distance apart. If one of the charges is doubled and distance between them is halved, the magnitude of force becomes n times, where n is [MHT-CET 2021]

Answer: (D)

Solution

; doubling one charge gives factor 2 and halving the distance gives factor 4, so $n = 2×4 =

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Question ID VK-070714