4-uF capacitor C₁ is charged to a potential difference of 6 V using a 6-V battery. The battery is then removed and the capacitor is connected to an uncharged 10 µF capacitor. When the switch is turned off, charge flows from C, to C₂ until they are of equal voltage. What is the common potential difference of the two capacitors? What is the potential energy of the capacitor system before and after the switch is turned off?

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Combination of Capacitors

The connection of capacitors can be established in a circuit in two ways.