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Electromagnetic TheoryElectrostatic Energy

A 10 microfarad capacitor charged to 100 V stores how much energy?

  • A0.005 J
  • B0.05 J
  • C0.5 J
  • D5 J
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Correct Answer: B. 0.05 J
Explanation: W=0.5×10×10^-6×100²=0.05 J.
Reference: Standard electromagnetic theory: electrostatic energy
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