A parallel-plate capacitor has plates with area 0.0225 m2 separated by 1.00 mm of Teflon. (a) Calculate

Question:

A parallel-plate capacitor has plates with area 0.0225 m2 separated by 1.00 mm of Teflon.
(a) Calculate the charge on the plates when they are charged to a potential difference of 12.0 V.
(b) Use Gauss's law (Eq. 24.23) to calculate the electric field inside the Teflon.
(c) Use Gauss's law to calculate the electric field if the voltage source is disconnected and the Teflon is removed.