Define terms Themionic emission,
secondary emission, field emission &
photoelectric emission
Answers
Answered by
0
Answer:
Thermionic emission is the liberation of electrons from an electrode by virtue of its temperature (releasing of energy supplied by heat). ... The classical example of thermionic emission is that of electrons from a hot cathode into a vacuum (also known as thermal electron emission or the Edison effect) in a vacuum tube.
Similar questions