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Question

What are the three main parts of a hot cathode ray tube?


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Solution

Hot cathode-ray tube:

  • “A cathode ray tube is made of glass containing two thin pieces of metal, called electrodes, sealed in it.”
  • The electrical discharge through the gases could be observed only at low pressures/high voltages.
  • The three main parts of a hot cathode ray tube are: an electron gun, deflecting plates, and a fluorescent screen.

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