Q. When boron is added as an impurity to silicon, the resulting material is
A) n-type semiconductor
B) n-type conductor
C) p-type conductor
D) p-type semiconductor
Explanation
(d) Boron is a trivalent impurity having three valence electrons. When it is introduced to pure silicon, then such type of semiconductors are called $p$-type or acceptor type semiconductors.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.