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Plot the Fermi-Dirac function f(E) versus the energy ratio E/E_F at room temperature T=300^oK.(Assume E_F independent of temperature.)If E_F=5ev, determine the energy values at which f (E)=0.5.0.7.0.9 and 0.95?

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Plot the Fermi-Dirac function f(E) versus the energy ratio E/EF at room temperature T=300oK.(Assume EF independent of temperature.)If EF=5ev, determine the energy values at which f (E)=0.5.0.7.0.9 and 0.95?