A 30-μF Capacitor Is Charged to 40 V and Then

question 34

Multiple Choice

A 30-μF capacitor is charged to 40 V and then connected across an initially uncharged 20-μF capacitor. What is the final potential difference across the 30-μF capacitor?

• A) 15 V
• B) 24 V
• C) 18 V
• D) 21 V
• E) 40 V

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