MCQ
In semiconductors at a room temperature
  • 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

Answer

Correct option: A.
The valence band is partially empty and the conduction band is partially filled
a
(a)Copper, Aluminum, Iron are conductors, while Ge is semiconductor.

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