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AP® Physics 1 & 2

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New Capacitor with 2 x C

APPH12-C4SKSF

A battery is used to charge a capacitor with capacitance C, and an amount of charge Q is stored on the plates of this capacitor.

How much charge is stored on the plates of a second capacitor with capacitance of 2C, if an identical battery is used to charge it?

A

Q / 2

B

Q

C

2Q

D

4Q