In a parallel plate capacitor with air between the plates, each plate has an area of `6 xx 10^-3 m^2` and the distance between the plates is 3 mm. Calculate the capacitance of the capacitor. If this capacitor is connected to a 100 V supply, what is the charge on each plate of the capacitor?

Explanation

`A = 6 xx 10^(-3) m^(2)`
`d = 3 mm = 3 xx 10^(-3) m`
V = 100 V
`C = (epsilon_(0)A)/d = (8.854 xx 10^(-12) xx 6 xx 10^(-3))/(3 xx 10^(-3))`
`=17.708 xx 10^(-12) F`
`=17.71 PF`
Charge on each plate of capacitor q=CV
`q=17.71 xx 10^(-12) F`
`=1.77 xx 10^(-9) C`