Physics-(general)
NEET Physics (general) MCQ Question
Type: MCQ-fact-Hard-Class 12
What type of semiconductor is formed when silicon or germanium is doped with a trivalent impurity?
A
p-type semiconductor
B
n-type semiconductor
C
intrinsic semiconductor
D
superconductor
Correct Answer
Option A
Detailed Explanation
When silicon or germanium is doped with a trivalent impurity like Al, B, or In, it results in a p-type semiconductor where holes are the majority carriers, as stated in the NCERT context.
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