Question 3: A 10 mm cube of Ge passes a current of 6.4 mA when 10 mV is applied between two of its parallel faces. Assuming that the charge carriers are electrons that have a mobility of 0.39 m?vst, calculate the density of carriers.

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Question 3: A 10 mm cube of Ge passes a current of 6.4 mA when 10 mV is applied between two
of its parallel faces. Assuming that the charge carriers are electrons that have a mobility of 0.39
m?v-ist, calculate the density of carriers.
=9.11 10-31 kg
=1.381 10-23 J/K
=6.626 10-34 Js
mo
Eg(Ge)
P(Ge)
=0.67 eV
kB
=5.46 g/cm³
h
=1.602 10-19 C
M(Ge)
=72.64 gr/mol
e
1ev
=1.602 10-19 J
Transcribed Image Text:Question 3: A 10 mm cube of Ge passes a current of 6.4 mA when 10 mV is applied between two of its parallel faces. Assuming that the charge carriers are electrons that have a mobility of 0.39 m?v-ist, calculate the density of carriers. =9.11 10-31 kg =1.381 10-23 J/K =6.626 10-34 Js mo Eg(Ge) P(Ge) =0.67 eV kB =5.46 g/cm³ h =1.602 10-19 C M(Ge) =72.64 gr/mol e 1ev =1.602 10-19 J
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