Q. Donor type impurity is found in

A) Trivalent elements
B) Pentavalent elements
C) In both the above
D) None of these
Explanation

(b) One atom of pentavalent impurity, donates one electron

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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