What is a Capacitor and how does it work
Capacitor and its work
t is a device for string electric charge. It is a system of two (or more) plates on P; which we can store electric charge.
Parallel Plate Capacitor:
It is a simple capacitor with two parallel plates on which we store the electric charge.
Construction:
A parallel plate capacitor has two metallic plates with their stands and a dielectric which is air or some insulator. E.g. wax paper, wax, oil and mica.
Working:
When the plates of a capacitor are connected to a voltage source. The electrons flow from a plate A to the positive charged terminal and B plate to negative terminal. Thus plate A acquires -q charge. Due to attraction voltage on plates increases gradually. Then charging stops when the potential difference (voltage) becomes the voltage of source.
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