1.

Which of the following expression represent the correct formulae for calculating the exact position of the Fermi level for p-type material?

A. E<sub>F</sub> = E<sub>V</sub> + kTln(N<sub>D</sub> / N<sub>A</sub> )
B. E<sub>F</sub> = -E<sub>V</sub> + kTln(N<sub>D</sub> / N<sub>A</sub> )
C. E<sub>F</sub> = E<sub>V</sub> – kTln(N<sub>D</sub> / N<sub>A</sub> )
D. E<sub>F</sub> = -E<sub>V</sub> – kTln(N<sub>D</sub> / N<sub>A</sub> )
Answer» B. E<sub>F</sub> = -E<sub>V</sub> + kTln(N<sub>D</sub> / N<sub>A</sub> )


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