Question

write working mechanism of CRT ?

Answer 1

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The working of CRT depends on movement of an electron beam which moves back and forth across the back of the screen. The source of the electron beam is the electron gun; the gun is located in the narrow, cylindrical neck at the extreme rear of a CRTwhich produces a stream of electrons through thermionic emission.


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Answer 2

Hey mate
here is ur answer
Working mechanism of CRT
1. A monochrome CRT contains single electron gun which emits beam of electrons .
These electrons are attached towards positive phosphorous screen .
When an electron strikes the screen it glows & emits light .
A small area in which an electron strikes is known as pixel.
To display a screen all the pixel are striked by electrons .
Accelerating anode varies the speed of the electron and defecting system changes path of the electron.
2. A color CRT monitor contains three electrons guns which emits three electrons at a time.
These electrons converge in the same pixel to display a color.
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