A 10 µF capacitor is connected across a 50 V battery until fully charged. How much electrical energy is stored within its electric field?

Answer and explanation

Correct answer: B. 0.0125 J

  1. Step 1: Use the capacitor stored energy formula: .
  2. Step 2: Compute: .
Answer
0.0125 J.
Why not the others: 0.025 J omits the factor (); 0.050 J multiplies by 2; 0.005 J calculates .

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