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QNEET-2018-Ph-877: NEET 2018 Physics - Class 12 NEET-2018-Ph-877 Solution: The electrostatic force between the metal plates of an isolated …
The electrostatic force between the metal plates of an isolated parallel plate capacitor C having a charge Q and area A is Independent of the distance between the plates Linearly proportional to the distance between the plates Proportional to the square root of the distance between the plates Inversely proportional to the distance between the plates
Multiple Choice Options
- A Independent of the distance between the plates
- B Linearly proportional to the distance between the plates
- C Proportional to the square root of the distance between the plates
- D Inversely proportional to the distance between the plates
Step-by-Step Verified Solution
In an isolated capacitor Q is constant, so an
electrostatic force between metal plates is given as:
F = QE = Q _ _ 2 _ 0 = Q 2 2 A _ 0 [ _ _ = Q A ]
F is independent of the distance between plates.