A capacitor consists of two parallel conducting plates, each of area 0.4 m2 and separated by a distance of 2.0 cm. Assume there
is air between the plates. While connected to a battery the electric field within the plates is 500 N/C. The potential difference between the plates is: ________ a) 5.0 V
b) 10 V
c) 30 V
d) 20 V
