Electronic Devices Question 31

Question: The valence of the impurity atom that is to be added to germanium crystal so as to make it a N-type semiconductor, is

[MNR 1993; MP PET 1994; CBSE PMT 1999; AIIMS 2000]

Options:

A) 6

B) 5

C) 4

D) 3

Show Answer

Answer:

Correct Answer: B

Solution:

Ge + Pantavalent  impurity 

N-type semiconductor 

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