Q1 Q1. At temperatures near room temperature, the temperature dependence of the conductivity forintrinsic germanium is found to equal:o =C (T 2 )exp2kTwhere C is a temperature-independent constant and T is in Kelvins.a) Calculate the intrinsic electrical conductivity of germanium at 150°C.b) Determine the temperature at which the electrical conductivity of intrinsic germanium is 22.8(N-m)'.Take note: (o- 2.2(N2.m)* » (E.)emanium= 0.67 evgermaniumТ -25°С

Given: Conductivity, σ=CT-3/2exp-Eg2KT

Answered: a) Calculate the intrinsic electrical…

a) Calculate the intrinsic electrical conductivity of germanium at 150°C. b) Determine the temperature at which the electrical conductivity of intrinsic germanium is 22.8 (N-m)*!.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

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Units and Dimensions

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Question

Q1. At temperatures near room temperature, the temperature dependence of the conductivity for
intrinsic germanium is found to equal:
o =C (T 2 )exp
2kT
where C is a temperature-independent constant and T is in Kelvins.
a) Calculate the intrinsic electrical conductivity of germanium at 150°C.
b) Determine the temperature at which the electrical conductivity of intrinsic germanium is 22.8
(N-m)'.
Take note: (o
- 2.2(N2.m)* » (E.)emanium
= 0.67 ev
germanium
Т -25°С

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