AIPMT PRELIMS2011Physics-Semiconductors
AIPMT PRELIMS 2011 Physics Doping MCQ Question
Type: MCQ-conceptual-Easy-Class 12
If a small amount of antimony is added to germanium crystal
A
Its resistance is increased
B
It becomes a p-type semiconductor
C
The antimony becomes an acceptor atom
D
There will be more free electrons than hole in the semiconductor
Correct Answer
Option D
Detailed Explanation
Addition of antimony, a pentavalent impurity, introduces more free electrons, making the germanium an n-type semiconductor.
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