Which Statement A-D Regarding Semiconductors Is Not Correct

question 24

Multiple Choice

Which statement A-D regarding semiconductors is not correct?

• A)An undoped semiconductor does not conduct electricity because it has a filled valence band and a vacant conduction band.
• B)Doping silicon with phosphorous produces an n-type semiconductor.
• C)An n-type semiconductor has electrons in its conduction band.
• D)Doping silicon with gallium removes electrons from the valence band to enhance the conductivity.
• E)Statements A-D all are correct.

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