82. The dielectric of a parallel-plate capacitor is to beconstructed from glass that completely fills the volume between theplates. The area of each plate is 0.50m2. a. What thickness should the glass have if the capacitance isto be 0.10F b. What is the charge on the capacitor if it is connected to a12-V battery/ 82. The dielectric of a parallel-plate capacitor is to beconstructed from glass that completely fills the volume between theplates. The area of each plate is 0.50m2. a. What thickness should the glass have if the capacitance isto be 0.10F b. What is the charge on the capacitor if it is connected to a12-V battery/
Explanation / Answer
(a) Formula for calculating the value of the capacitanceis' C = Ao / d d= Ao / C ....................... (1) Here A = 0.50m2 o =8.85*10-12C2/N.m2 C = 0.10F =0.10*10-6F (b) Formula for calculating the value of the charge on thecapacitor if it is connected to a 12-V battery is Q = CV Here C = 0.10*10-6F V = 12V C = 0.10F =0.10*10-6F (b) Formula for calculating the value of the charge on thecapacitor if it is connected to a 12-V battery is Q = CV Here C = 0.10*10-6F V = 12V