Q8. Estimate the mean free path of electrons in copper. Assume the Fermi energy of copper is 7.03eV. The number of electrons per unit volume is 8.49 x1028 m³. The effective mass of an electron in copper is 1.47 times the rest mass of the electron. The conductivity of copper is 5.9x107 S/m.

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A: Strength of electron coupling parameter isgiven in the image below.

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Q: Calculate the copper's mean free path. Let's say copper has a Fermi energy of 6.65 eV. 9.21 x1028…

A: Solution: The fermi energy can be written by the following relation, Ef=0.5mvf2vf=Ef0.5m…

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A: The answer is explained below with a proper explanation.

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Q: 1. Find the probability of an electron to occupy a level (0.1 eV)above Fermi level at 27 °C?

A: Given- Ei-Ef=0.1 eVTemperature T=270C=27+273=300K K=1.38×10-23/1.6×10-19=86.25×10-6 eV/K

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A: The formula to calculate the fermi velocity of an electron is, vF=2EFmewhere,vF=fermi speedEF=fermi…