Question

Can application of very high bias affect the thermionic emission? How?

Answer 1

Answer:

So at thermionic emission temperature, the copper gets vaporized instead of emitting electrons from its solid surface. electrostatic farce, these positive ions strick the cathode. It sufficiently high electric field is applied, these bombardments may be significantly high to create damage on the cathode.

Answer 2

Answer:

Besides the diffusion and thermionic emission mechanisms, electrons can also be ... 3.18 for both forward bias and reverse bias. ... At higher temperatures, a significant number of electrons are able to rise ...

hope you get it...