Interactive Problem 41_11

Start of definite integral = End of definite integral =

kT=0 kT=0.05 eV kT=0.1 eV kT=0.15 eV kT=0.2 eV kT=0.25 eV

The graph shown represents the density of occupied states for electrons in a metal depending on energy. This function can be plotted for several different temperatures. What value of kT corresponds to 7% of the electrons having energy greater than the Fermi energy?