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Physics

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Problem 21.79

The plates of a 3.2nF parallel-plate capacitor are each 0.25 m^2 in area.

Part A -

How far apart are the plates if there's air between them?

Express your answer using two significant figures.















=












Part B -

If the plates are separated by a Teflon sheet, how thick is the sheet?

Express your answer using two significant figures.

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