How CRT screen work?

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RITESH KAKKAR

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Hello,
i have listen there is ray of electrons striking with vertical and horizontal scanning but if we want to know how contentiously electrons are striking how to know?
 

If there is some beam current, then there is electron flow from the cathode to the final anode and unless deflected of the screen, will hit the screen. So put a current meter in series with the cathode, current should be greater then 100 micro amps (for dim) to several milliamps for bright.
Frank
 

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