What is thermionic emission?

Thermionic emission is the process by which electrons are emitted by a metal as a result of the heating of the metal. The electrons which are emitted are all from the sea of free electrons which bond the metal together.

Answered by Noah S. Physics tutor

2325 Views

See similar Physics GCSE tutors

Related Physics GCSE answers

All answers ▸

State one advantage and one disadvantage of using a CT scanner, compared with ultrasound scanning, for forming images of the inside of the human body. (2 Marks)


Explain how Pumped-storage hydropower (PSH) can store energy.


What is the difference between nuclear fission and fusion?


Does kinetic friction always oppose the direction of motion?


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo
Cookie Preferences