The tag has no wiki summary.

learn more… | top users | synonyms

1
vote
1answer
32 views

MHD Flow in a channel with and external B field and circuitry determining E. Different circuits and Ohm's law

I was wondering if someone can explain why E is the way it is in cases 2,3,4 in page 9 of these notes ? In case 2 "Short Circuit", do I just have to assume that for a perfect conductor E = 0 for ...
2
votes
0answers
215 views

Solar wind and the Earth's magnetic field

I have again an old question from a comprehensive exam I took a couple of months ago. Lucky for me one could pick 5 out of 8 questions, because on some of the problems I didn't even know how to start. ...
0
votes
0answers
11 views

Is it practical to make a tokamak with ionized liquid matter

Is it possible to ionized a liquid and use magnetic field lines to guide the free electrons like a gas in a tokamak ?