A 10 microfarad capacitor is charged to 100 V. How much energy does it store?

Answer and explanation

Correct answer: D. 0.05 J

  1. Step 1: Use with F. Step 2. J. Answer: 0.05 J. Why not the others: 0.1 J omits the half; 0.001 J is , the charge in coulombs; 0.5 J misplaces the power of ten.

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