A Group Of $1.0 - \mu \mathrm { F } , 2.0 - \mu \mathrm { F }$

question 21

Multiple Choice

A group of $1.0 - \mu \mathrm { F } , 2.0 - \mu \mathrm { F }$ , and $3.0 - \mu \mathrm { F }$ capacitors is connected in parallel across a $24 - \mathrm { V }$ potential difference (a battery) . How much energy is stored in this three-capacitor combination when the capacitors are fully charged?

• A) \(2.1 \mathrm {~mJ}\)
• B) \(1.7 \mathrm {~mJ}\)
• C) \(4.8 \mathrm {~mJ}\)
• D) \(7.1 \mathrm {~mJ}\)

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