http://www.owlnet.rice.edu/~phys102/ClassNotes/Lecture/Maxwell_Equations.pdf
If earth is a big magnet, then why does not all the iron stick to it? If you know the answer, then post in the
At sufficiently low temperatures, electrons near the Fermi surface become unstable against the formation of Cooper pairs. Cooper showed such binding will occur in the
skin effect is ac flows on the surface of conductor or upto a certain depth. but why so? flow of current is due to movement