Q1. At temperatures near room temperature, the temperature dependence of the conductivity fo intrinsic germanium is found to equal: -E o =C (T 3/2' )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. (N-m)'!.
Q1. At temperatures near room temperature, the temperature dependence of the conductivity fo intrinsic germanium is found to equal: -E o =C (T 3/2' )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. (N-m)'!.
Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN:9781337399128
Author:Russell E. Smith
Publisher:Russell E. Smith
Chapter12: Electronic Control Devices
Section: Chapter Questions
Problem 14RQ
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![Q1. At temperatures near room temperature, the temperature dependence of the conductivity for
intrinsic germanium is found to equal:
o =C (T 2'
-E
3? ) 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)'.
= 2.2(2.m)" ,„ (E,
= 0.67 ev
Take note: (0,
germanium
T=25°C
germanium](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F31922a0d-dee5-4747-bed8-036b15b7c6e9%2Fa4861c68-2474-4318-8b27-88d4254591ad%2Fcgqpnhl_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q1. At temperatures near room temperature, the temperature dependence of the conductivity for
intrinsic germanium is found to equal:
o =C (T 2'
-E
3? ) 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)'.
= 2.2(2.m)" ,„ (E,
= 0.67 ev
Take note: (0,
germanium
T=25°C
germanium
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