Day: August 25, 2010

Quiz zone

Answer This

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

Science

BCS theory

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

Science

skin effect

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