Physics-(general)
NEET Physics (general) MCQ Question
Type: MCQ-conceptual-Medium-Class 12
What is the role of a pentavalent dopant in a silicon semiconductor?
A
It increases the number of free electrons, creating an n-type semiconductor.
B
It decreases the number of free electrons, creating a p-type semiconductor.
C
It increases the number of holes, creating a p-type semiconductor.
D
It decreases the number of holes, creating an n-type semiconductor.
Correct Answer
Option A
Detailed Explanation
Doping silicon with a pentavalent element introduces extra electrons, increasing conductivity and forming an n-type semiconductor.
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