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Question
Physics
A pure semiconductor behaves slightly as a conductor at
Q. A pure semiconductor behaves slightly as a conductor at
4326
186
BHU
BHU 2008
Semiconductor Electronics: Materials Devices and Simple Circuits
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A
room temperature
19%
B
low temperature
15%
C
high temperature
30%
D
Both and
36%
Solution:
At room temperature, a few electrons in valence band acquire energy greater than the forbidden energy gap and move to conduction band. Hence, at room temperature a pure semiconductor behaves slightly as a conductor.