Question:medium

The energy stored in a capacitor of capacitance C having a charge Q under a potential V is

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The energy stored in a capacitor can be expressed in three equivalent forms: 1. \(U = \frac{1}{2}QV\) 2. \(U = \frac{1}{2}CV^2\) 3. \(U = \frac{Q^2}{2C}\) Always choose the form that uses the variables given or required by the question!
Updated On: May 6, 2026
  • \(\frac{1}{2}Q^2V\)
  • \(\frac{1}{2}C^2V\)
  • \(\frac{1}{2}\frac{Q^2}{V}\)
  • \(\frac{1}{2}QV\)
  • \(\frac{1}{2}CV\)
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The Correct Option is D

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