🌐EnglishEnglishBahasa IndonesiaDeutschFrançaisPolskiPortuguêsفارسی한국어中文日本語EntityQ1365473· pop 9· linked from 109 articleshot cathodetype of electrode.Available in 9 languagesFrançaisDeutschPortuguêsBahasa IndonesiaNorwegian NynorskPolskiفارسی한국어via Wikidata sitelinks · CC0Connectionsfluorescent lampEntityvacuum tubeEntityCategoriesAccelerator physicsElectrodesGas discharge lampsVacuum tubes