parallel plate air-gap capacitor is constructed from two square plates of side length 100 cm. The separation between the plates is 20 cm. The capacitor is attached to a battery of voltage 10 V. After the capacitor is fully charged, the battery is disconnected, and the separation of the plates is doubled. Afterward, what is the voltage across the capacitor? (ε=8.85*10-12 C2/N*m2)

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Combination of Capacitors

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