Cathode ray tube ?

  • Thread starter cragar
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When my Tv shoots electrons from the cathode ray tube , where do these electrons come from and is it ionizing whatever they come from.
 

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  • #2
ZapperZ
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When my Tv shoots electrons from the cathode ray tube , where do these electrons come from and is it ionizing whatever they come from.

The came from a filament. The electrons are ejected via thermionic emission.

It is not ionizing for the filament. The filament is connected to ground.

Zz.
 
  • #3
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ok thanks for the answer , so then are the electrons cycled back through the circuit somehow
 

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