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An air-filled capacitor consists of two parallel plates, each with an area of 7.6 cm2, separated...

An air-filled capacitor consists of two parallel plates, each with an area of 7.6 cm2, separated by a distance of 2.20 mm.

(a) If a 18.0 V potential difference is applied to these plates, calculate the electric field between the plates.
kV/m
(b) What is the surface charge density?
nC/m2
(c) What is the capacitance?
pF
(d) Find the charge on each plate.
pC

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