What is the reason for electron emission not takes place in presence of air in triode?

@pugazh-anand-GgZB1c • Oct 26, 2024

Oct 26, 2024

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i have googled about vacuum triode.we know this replaced by the invention of transistors. my doubt is why the air removed from tubes?
i red that in vacuum electron move freely but in presence of air what are the drawbacks?
plz clarify my doubt.....😕

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Jeffrey Arulraj

@jeffrey-xA7lUP • Aug 19, 2013

Air offers resistance to the motion of electrons due to self ionisation effect

That is when electron moves through air the air gets ionised and offers an additional resistance to the flow of electron

This effect can be removed if we use a vaccum.
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pugazh anand

@pugazh-anand-GgZB1c • Aug 19, 2013

Conqueror
Air offers resistance to the motion of electrons due to self ionisation effect

That is when electron moves through air the air gets ionised and offers an additional resistance to the flow of electron

This effect can be removed if we use a vaccum.
thanks jeff informative😁....
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