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    Physics for Scientists and Engineers Study Set 4
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    Exam 40: Molecules and Solids
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    At Room Temperature (~295 K with KT ~ 0
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At Room Temperature (~295 K with KT ~ 0

Question 31

Question 31

Multiple Choice

At room temperature (~295 K with kT ~ 0.025 eV) , what fraction of the free electrons in a semiconductor with an energy gap of 1.5 eV can be expected to be in the conduction band?


A) 10-9
B) 10-13
C) 10-30
D) 0.03
E) 10-15

Correct Answer:

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