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MHT CET Physics question

PhysicsElectrostatic Potential and CapacitanceMHT CET

An electron at rest is accelerated by a potential '', in uniform field experiences a force ''. When potential is changed to '', the force experienced by the electron gets doubled. The ratio of to is [MHT-CET 2023]

Answer: (C)

Solution

For fixed plate separation d the force is , so doubling the force requires and

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Question ID VK-070695