Considering the BCS theory of superconductors, which one of the following statements is NOT CORRECT? (h is the Planck's constant and e is the electronic charge)
A phosphorous doped silicon semiconductor ( doping density: 1017/cm3) is heated from 100oC to 200oC. Which one of the following statements is CORRECT
Consider a linear collection of N independent spin 1/2 particles, each at a fixed location. The entropy of this system is (k is the Boltzmann constant)
For a scalar function f satisfying the Laplace equation, ?f has