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AP® Physics C: E & M

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Moderate

Changing Plate D and R

APPHEM-YCDPXS

A parallel plate capacitor with circular plates and a capacitance $C$ has the radius of each plate doubled and the distance between the plates doubled.

What is the new capacitance?

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A

$ \cfrac{C}{2} $

B

$C$

C

$2C$

D

$4C$

E

$ \cfrac{C}{4} $