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Thermonic emission occurs in

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2 Comments
Awais Ahmed
Awais Ahmed 2 years ago
Thermionic emission (archaically known as the Edison effect) is the flow of charged particles called thermions from a charged metal or a charged metal oxide surface, caused by thermal vibrational energy overcoming the electrostatic forces holding electrons to the surface.
Gursewak Singh
Gursewak Singh 8 years ago
The gas particles become ions as a result of this collision and are pulled to a biased plate. ... Thermionic emission occurs when a metal is heated to a point that electrons are shaken from the surface of the metal.