A Parallel Plate Capacitor of Capacitance C0 Has Plates of Area

question 50

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 new capacitance and the potential difference between the plates are what?

• A) C0, V0
• B) C0, V0
• C) C0, 2V0
• D)C0, 2V0
• E)2C0, 2V0

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