Find the maximum voltage ratings of the capacitors of Problems 1 and 2 assuming a linear relationship between the breakdown voltage and the thickness of the dielectric.
Problems 1
The plates of a parallel plate air capacitor are 0.2 mm apart and have an area of 0.08 m2 , and 200 V are applied across the plates.
a. Determine the capacitance.
b. Find the electric field intensity between the plates.
c. Find the charge on each plate if the dielectric is air.
Problems 2
A sheet of Bakelite 0.2 mm thick having an area of 0.08 m2 is inserted between the plates of Problem 12.
a. Find the electric field strength between the plates.
b. Determine the charge on each plate.
c. Determine the capacitance.