what is capacitor and capacitance
A capacitor is a passive electrical component that stores electrical charge field.
The effect of a capacitor is known as capacitance .
Basic Construction:
apacitor A capacitor is an electrical device that stores electrical charge and is constructed of two parallel plates separated by an insulating material called the dielectric. Connecting leads are attached to the parallel plates.
Construction of Capacitor Working of Capacitor:
In the natural state, both plates of a capacitor have an equal number of free electrons. When the capacitor is connected to a voltage source, electrons are removed from plate A, and an equal number are deposited on plate B. As plate A loses electrons and plate B gains electrons, plate a becomes positive with respect to plate B.
During this chargin g process, electrons flow only through the connecting leads.
No electrons flow through the dielectric of the capacitor because it is an insulator.
The movement of electrons ceases when the voltage across the capacitor equal the source voltage. A charged ca pacitor can act as a temporary battery.
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