Un condensator este o componenta electrica pasiva cu 2 terminale care stochează energie electrică intr-un camp electric. Efectul creat de condensator este numit capacitanta.

Daca fenomenul numit capacitanta exista in mod natural intre orice doua conductoare electrice ale unui circuit aflate în apropiere, un condensator este un dispozitiv creat special pentru diverse ratiuni ce țin de mărime, formă și tipul de material dielectric folosit. Condensatorul a fost cunoscut prima dată drept condensator electric.

 In October 1745, Ewald Georg von Kleist of Pomerania, Germany, found that charge could be stored by connecting a high-voltage electrostatic generator by a wire to a volume of water in a hand-held glass jar.[5] Von Kleist's hand and the water acted as conductors, and the jar as a dielectric (although details of the mechanism were incorrectly identified at the time). Von Kleist found that touching the wire resulted in a powerful spark, much more painful than that obtained from an electrostatic machine. The following year, the Dutch physicist Pieter van Musschenbroek invented a similar capacitor, which was named the Leyden jar, after the University of Leiden where he worked.[6] He also was impressed by the power of the shock he received, writing, "I would not take a second shock for the kingdom of France."[7]

 

Sursa: https://ro.m.wikipedia.org/wiki/Condensator_electric