Q. The valency of the impurity atom that is to be added to germanium crystal so as to make it a $N$-type semiconductor, is
A) 6
B) 5
C) 4
D) 3
Explanation
The correct answer is Option B: 5.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.