Q. A $P$-type semiconductor can be obtained by adding
A) Arsenic to pure silicon
B) Gallium to pure silicon
C) Antimony to pure germanium
D) Phosphorous to pure germanium
Explanation
(b) $Ga$ has a valancy of 3
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.