An uncharged capacitor is connected to the terminals of a 4.0 V battery, and 12 μC flows to the positive plate. The 4.0 V battery is then disconnected and replaced with a 6.0 V battery, with the positive and negative terminals connected in the same manner as before. How much additional charge flows to the positive plate? Express your answer in microcoulombs.

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Combination of Capacitors

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