Which of the following is not a part of a CRT ?

Which of the following is not a part of a CRT ? Correct Answer Gas plasma

The cathode ray tube (CRT) is a vacuum tube containing an electron gun (a source of electrons or electron emitter) and a fluorescent screen used to view images. Colour tubes use three different phosphors which emit red, green, and blue light respectively. They are packed together in stripes (as in aperture grille designs) or clusters called “triads” (as in shadow mask CRTs).
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Related Questions

Flood guns bombard the phosphor surface of the tube in which one of the following types of CRT technology?
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CRT হল একটি ---
The raster CRT eliminates:
Resolution in a CRT refers to:
If the negative potential on the control grid of CRT is increased, the intensity of spot ___________.
The materil used to coat inside the face of CRT is ___________.
Operator interaction directly with the CRT is accomplished via: