EntityQ2507623· pop 7· linked from 10 articlesvacuum capacitorSign in to savevariable capacitor with a vacuum as the dielectricConnectionsgoldEntitysilverEntitycopperEntitymetalEntityglassEntitydiamondEntityatmosphere of EarthEntityvacuumEntityvoltEntityvoltageEntityceramicEntityvacuum tubeEntityinsulatorEntityamateur radioEntitydielectricEntitypolytetrafluoroethyleneEntityradio transmitterEntitybellowsEntitybroadcastingEntitymechanismEntityCategoriesCapacitorsInventions by Nikola Tesla