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| Keywords: Bouteille leyde.png fr Coupe d'une bouteille de Leyde A drawing of a Leyden jar a piece of antique physics apparatus used to store electric charge from an antique physics book Invented in 1745 by Pieter von Musschenbroek of Leiden it was the first form of capacitor It is sectioned through the center to show construction It consists of a glass jar with a layer of metal foil B cemented to the outside and loose metal foil pieces A filling the inside The stopper is pierced by a brass electrode A' which made contact with the inside foil so the jar could be charged In use the outside of the jar was connected to ground and the central electrode was attached to the terminal of an electrostatic machine The machine charged the inside foil of the jar with a high voltage charge of static electricity and the outside foil with an equal charge of the opposite polarity if the outside foil and inner electrode were bridged with a metal wire a large spark would jump discharging the jar 2012-03-22 Notion de physique E Drincourt PD-Art Uploaded with UploadWizard Leyden jars | ||||
