A 25-μF Capacitor Charged to 50 V and a Capacitor

question 13

Multiple Choice

A 25-μF capacitor charged to 50 V and a capacitor C charged to 20 V are connected to each other, with the two positive plates connected and the two negative plates connected. The final potential difference across the 25-μF capacitor is 36 V. What is the value of the capacitance of C?

• A) 43 μF
• B) 29 μF
• C) 22 μF
• D) 58 μF
• E) 63 μF

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