Q1 / A piece of metal is its length 5m and its cross-sectional area 0.5 mm^2 and the specific resistance of the metal is 81.6*10^6 2-m Note that the density of The substance is 8.96 kg/m^3 and the atomic weight 63.54 calculate: 1) Calculate the motion of the electron (H). 2) Calculate the mean free time (7).

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Chapter1: Units, Trigonometry. And Vectors
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Q1 /A piece of metal is its length 5m
and its cross-sectional area 0.5 mm^2
and the specific resistance of the
metal is 81.6*10^6 Q– m Note that the
density of
The substance is 8.96 kg/m^3 and the
atomic weight 63.54 calculate:
1) Calculate the motion of the electron
(H).
2) Calculate the mean free time (7).
3) If you know that the density of electrons along
the x-coordinate increases according to the
relationship
n = 1030 + 8 * 1033x + 15 * 1036 x2
The temperature is 290k, so what is
the value of the diffusion current Id at
the metal surface x=0
3) If the value of the propagation current is
Id at the distance x From the surface of the
metal are 91.2*10^10 A/m2 What is the
value of x
Transcribed Image Text:Q1 /A piece of metal is its length 5m and its cross-sectional area 0.5 mm^2 and the specific resistance of the metal is 81.6*10^6 Q– m Note that the density of The substance is 8.96 kg/m^3 and the atomic weight 63.54 calculate: 1) Calculate the motion of the electron (H). 2) Calculate the mean free time (7). 3) If you know that the density of electrons along the x-coordinate increases according to the relationship n = 1030 + 8 * 1033x + 15 * 1036 x2 The temperature is 290k, so what is the value of the diffusion current Id at the metal surface x=0 3) If the value of the propagation current is Id at the distance x From the surface of the metal are 91.2*10^10 A/m2 What is the value of x
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