Frage
Antwort
ggf. von Hilfe:
- ocw.mit.edu/courses/nuclear-engineering/22-611j-introduction-to-plasma-physics-i-fall-2003/lecture-notes/chap2.pdf
- http://www.kshitij-iitjee.com/cathode-ray-tube
- farside.ph.utexas.edu/teaching/336k/Newtonhtml/node30.html