Capacitors in Combination: A group of 1.0-?F, 2.0-?F, and 3.0-?F capacitors is connected in parallel across a 24-V potential difference (a battery). How much energy is stored in this three-capacitor combination when the capacitors are fully charged?
A. 1.7 mJ
B. 2.1 mJ
C. 4.8 mJ
D. 7.1 mJ
Answer: A
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