For a typical resistance R 100 in a resistor of length l 2 mm and cross sectional area A 1 mm 2 , where R l A , calculate the average scattering time for an electron, for a free carrier density of 10 14 cm 3 and effective mass of 0 1m 0 ...

Let us denote the length of the resistor by 1 and let its crosssection be A ...

For a typical resistance R = 100 in a resistor of length l = 2 mm

Question:

For a typical resistance R = 100 Ω in a resistor of length l = 2 mm and cross-sectional area A = 1 mm², where R = l/Aσ , calculate the average scattering time τ for an electron, for a free carrier density of 10¹⁴ cm⁻³ and effective mass of 0.1m₀.

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