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Electromagnetic TheoryElectrostatic Energy

The energy stored in a capacitor of capacitance C charged to voltage V is?

  • A(1/2)CV²
  • BCV²
  • C(1/2)C²V
  • DV²/C
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Correct Answer: A. (1/2)CV²
Explanation: Stored electrostatic energy is W=(1/2)CV².
Reference: Standard electromagnetic theory: electrostatic energy
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