A 2 μF capacitor is charged to 10 V. How much energy does it store?
Answer and explanation
Correct answer: B. 100 μJ
- Step 1: .
- Step 2: μJ.
Answer
100 μJ.
Why not the others: 200 μJ: the factor is missing. 10 μJ: the voltage is not squared. 20 μJ: that is the charge, not the energy.
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