A parallel plate capacitor is a type of capacitor that consists of two parallel conducting plates separated by a small distance. It is used to store electric charge and is commonly used in electronic circuits and devices.
The purpose of using two parallel dielectrics in a parallel plate capacitor is to increase the capacitance, or the ability to store charge, of the capacitor. Dielectrics are materials that can store electric charge, and by having two dielectrics in the capacitor, there is a larger surface area for charge storage.
The electric charge in a parallel plate capacitor is distributed proportionally to the permittivity (ability to store electric charge) of each dielectric material. If one dielectric has a higher permittivity, it will store more charge than the other dielectric.
The distance between the plates affects the capacitance of the capacitor, which in turn affects the amount of electric charge that can be stored. A smaller distance between the plates results in a larger capacitance and therefore a larger amount of stored charge.
The permittivity of the dielectrics directly affects the capacitance of the parallel plate capacitor. A higher permittivity results in a larger capacitance and therefore a larger amount of electric charge that can be stored. This is because materials with a higher permittivity have a higher ability to store electric charge.