Question:
The picture tube of a TV receiver is known as_____________________.
(Visual tube / Cathode ray tube)
The picture tube of a TV receiver is known as_____________________.
(Visual tube / Cathode ray tube)
(Visual tube / Cathode ray tube)
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CRT stands for Cathode Ray Tube, which was widely used in TVs and monitors before flat screens.
Updated On: Jan 14, 2026
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Solution and Explanation
The picture tube of a TV receiver is known as a Cathode Ray Tube (CRT). It is a vacuum tube that contains an electron gun and a fluorescent screen. The electron gun emits electrons that are directed and focused into a beam, which strikes the screen coated with phosphor to create images.
This technology was commonly used in older television sets and computer monitors before the advent of LCD and LED screens.
This technology was commonly used in older television sets and computer monitors before the advent of LCD and LED screens.
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