Physics, asked by alex44, 1 year ago

what is thermionic emission...???

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Answered by Anonymous

The process by which free electrons are emmited from the surface of metal when external heat energy is applied is called thermionic emmision.

hope it hlps u

Answered by anup66006

The process by which free electrons are emitted from the surface of a metal when external heat energy is applied is called thermionic emission

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