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NEET2024PhysicsCapacitanceActual

A 12 pF capacitor is connected to a 50 V battery, the electrostatic energy stored in the capacitor in nJ is

Options

  1. A15
  2. B7.5
  3. C0.3
  4. D150

Correct answer

A. 15

Step-by-step solution

Electrostatic energy stored U= 1 2 C V^2= 1 2 12 10⁻¹² (50)^2=6 25 10⁻¹⁰=15 10⁻⁹ ~J =15 ~nJ

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