Semiconducting Devices Question 184
Question: In semiconductors at a room temperature
[CBSE PMT 2004]
Options:
A) The valence band is partially empty and the conduction band is partially filled
B) The valence band is completely filled and the conduction band is partially filled
C) The valence band is completely filled
D) The conduction band is completely empty
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Answer:
Correct Answer: A
Solution:
Copper, Aluminum, Iron are conductors, while Ge is semiconductor.
