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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