Q. The valence of an impurity added to germanium crystal in order to convert it into a $P$-type semi conductor is

A) 6
B) 5
C) 4
D) 3
Explanation

The correct answer is Option D: 3.

A detailed explanation for this question is being prepared.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.