Definition of capacitor
A capacitor is a device used to stores the electric energy and it is passive electronic component with two terminals the main important thing that is to be a capacitors are most widely used electronic components after resistor. we find capacitor in all electronic circuits, devices and in television or computers.
Capacitor are charges and discharges rapidly any object and device stores electric charge is a capacitor.
Construction of capacitor
The basic construction of all capacitors are similar these parallel conductive plates are normally made up of materials such as copper, brass, aluminium.
Capacitor circuit depends on circuit shape and size the two parallel conductive plates of a capacitor having parallel & opposite charges is separated by a small distance. Basically, capacitor consists of two parallel plates separated by a insulating material is calling dielectric.dielectric means insulating material such as (glass, paper, wood) are used.
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Symbol of capacitor
Function of capacitor
In simple words, it charges and discharges the electric charge or energy stored in it.
What is the SI unit of capacitor
Unit of capacitance is farad. Practically unit for farad(f), micro farad, pikofarad (pf), and nanofarad (nf).
Formula of capacitor
The definition of capacitor is given by the equation,
C=Q/V
Where,
C= capacitance in farad
Q= Coulombs charge
V= voltage in volts or divided by voltage
A= area of capacitance
d= Delta separation of capacitance plates
Main points :
1. Capacitor frequency is depends on resistor
2. Capacitor potential resistance is depends on circuit shape and size
3. Trimmer capacitor : air, mica= cylindrical, cirramic
4. Particular voltage rating is 60°c
5. (WVDC) Working voltage Direct Current
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