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Physics · PYQ NEET UG 2018

हिन्दी

The electrostatic force between the metal plates of an isolated parallel plate capacitor C having a charge Q and area A, is

  1. independent of the distance between the plates.
  2. linearly proportional to the distance between the plates.
  3. proportional to the square root of the distance between the plates.
  4. inversely proportional to the distance between the plates.

Correct answer · Option 1

independent of the distance between the plates.

Explanation

Force \( F = \frac{Q^2}{2 A \varepsilon_0} \), which depends on charge and area, and is independent of the separation distance \( d \) for an isolated capacitor.

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