Superconducting tin has a critical temperature of 3.7K at zero magnetic field and a critical field at 0.0306 Tesla at 0K. Find the critical field at 2K.
(a) 0.0306 Tesla
(b) 7.4 Tesla
(c) 0.02166 Tesla
(d) 0 Tesla
I have been asked this question by my college director while I was bunking the class.
My query is from Hall Effect topic in chapter Semiconductors of Engineering Physics II