Q. When germanium is doped with phosphorus, the doped material has
A) Excess positive charge
B) Excess negative charge
C) More negative current carriers
D) More positive current carriers
Explanation
(c) Phosphorus is pentavalent impurity
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.