Cathode-ray tube A cathode-ray tube is a vacuum tube containing one or more electron guns, which emit electron beams that are manipulated to display images on a phosphorescent screen. The images may represent electrical waveforms, pictures, radar targets, or other phenomena. A CRT on a television set is commonly called a picture tube. | Ejaz Trader

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Describe the basic set-up of cathode ray tubes and how the elec... | Filo

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