Capacitors

Capacitors are passive electronic components that can store energy in the form of an electrical charge, but can also allow passing of alternating current (AC) through them. The capacitor consists of two or more conductors, separated by different type of dielectric. In the presence of a potential difference (voltage) between the two conducting plates, a static electric field is generated, which is separated to positive and negative charges by the dielectric and these charges are stored respectively in the positive and negative terminals of the capacitor.

Mostly, capacitors are used in circuits and systems which require the blocking of the direct current charges(DC) and respectively the transmission of the alternating ones. Depending on the construction, location and shape of the conductors and also of the type of the insulating material, called a dielectric, the capacitors can be divided into many different types such as electrolytic, ceramic, polypropylene , paper/ film, styroflex, tantalum, filter capacitors and etc.

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