Question

An air-filled capacitor consists of two parallel plates, each withan area of 7.60 cm2, separated by a distance of 2.00 mm.
(a) If a 22.0 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