Electron Beams - P3
- Created by: Tiula
- Created on: 05-04-10 11:13
Fullscreen
1) The heater is used to heat the cathode.
2) The cathode gains energy and electrons "boil off" the cathode, i.e. they escape. This process is known as THERMIONIC EMISSION.
3) The electrons are now free to move around, and as they are negatively charged, they…
Comments
No comments have yet been made