Problem 21

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Problem 21.39A parallel-plate capacitor is charged by a 20.0V battery, then the battery is removed.

Part A

What is the potential difference between the plates after the battery is disconnected?

Express your answer with the appropriate units.

Part B

What is the potential difference between the plates after a sheet of Teflon is inserted between them?

Express your answer with the appropriate units.

A parallel-plate capacitor is charged by a 20.0V battery, then the battery is removed. Part A What is the potential difference between the plates after the battery is disconnected? Express your answer with the appropriate units. Part B What is the potential difference between the plates after a sheet of Teflon is inserted between them? Express your answer with the appropriate units.