A Parallel Plate Capacitor of Capacitance C₀ Has Plates of Area

question 47

Multiple Choice

A parallel plate capacitor of capacitance C₀ has plates of area A with separation d between them. When it is connected to a battery of voltage V₀, it has charge of magnitude Q₀ on its plates. It is then disconnected from the battery and the plates are pulled apart to a separation 2d without discharging them. After the plates are 2d apart, the magnitude of the charge on the plates and the potential difference between them are

• A) Q₀, V₀
• B) Q₀, V₀
• C) Q₀, V₀
• D) Q₀, 2V₀
• E) 2Q₀, 2V₀

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