Discussion Forum : Semiconductors
Question - An n-type semiconductor is
Options:
A .  negatively charged           
B .  positively charged 
C .  neutral
D .  negatively or positively charged depending upon the amount of impurity
Answer: Option C
:
C
N-type semiconductor is having excess of free electrons (unbound electrons) for conduction. The total number of electrons in an atom is equal to total number of protons in the nucleus. Therefore, n –type semiconductor is neutral.

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