Well, the obvious answer is that the plate experience a force downward.
The thing that puzzles me is whether the accelerated electrons are suppose to generate an ossilating electric field to both diretions (up and down) or a unidirectional electric field due to the fact that they are only...
Hello
I attach a question (PDF-file) which I found in an old physics book, I printed the question and re-generated the drawing which were a bit hard to scan.
Can anyone answer the attached question, I think I know the answer but I want to be sure.
Thanks
Lory