Question
Download Solution PDFIdentify the sealed glass vacuum tube containing an electron beam that is focused on a phosphor-coated glass screen when light is emitted.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDF- Cathode ray tube were commonly used in older televisions and computer monitors.
- The electron beam is generated by a heated cathode and accelerated by an anode towards the screen.
- The phosphor coating on the screen emits light when struck by the electron beam, producing the image.
- Flat array tube: This is a type of CRT that uses a flat screen instead of a curved one. It is also known as a flat CRT or FED.
- Light Emitting Diode (LED) tube: It is a type of display technology that uses LEDs to emit light and create an image.
- Liquid Crystal Display (LCD) tube: It is a type of display technology that uses liquid crystals to create an image.
Last updated on Jun 25, 2025
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