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BITSAT2023PhysicsCapacitanceActual

The work done in placing a charge of 8 10⁻¹⁸ coulomb on a condenser of capacity 100 microfarad is

Options

  1. A3.1 10⁻²⁶ joule
  2. B4 10⁻¹⁰ joule
  3. C32 10⁻³² joule
  4. D16 10⁻³² joule

Correct answer

C. 32 10⁻³² joule

Step-by-step solution

Work done = 1 2 q ^2 C = (8 10⁻¹⁸ )^2 2 100 10⁻⁶ =32 10⁻³² ~J

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