Deriving Equation for Parallel Plate Capacitors
Автор: ElectronX Lab
Загружено: 2021-11-22
Просмотров: 10098
The capacitance of parallel plate capacitors is based solely on the physical properties of the capacitor. Specifically capacitance is determined by the overlapping plate area, the distance between plates and the permittivity of the insulator between the plates. This video shows where this equation comes from (spoiler: it's due to electric charge).
00:00 Intro
00:20 Parallel plate capacitor equation
01:00 Electric Charge
01:35 Coulomb's Law
02:55 Electric Field Intensity definition
03:29 Electric field from parallel plates
04:19 Capacitance defined again
04:26 Voltage defined again
04:49 Voltage written in terms of the electric field intensity
05:23 Substitute voltage defined in terms of E field into capacitance equation
05:37 Back to the parallel plate capacitor equation
Intro Audio Credit:
Richard Feynman
Outro Song Credit:
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