Donor atoms introduced into a pure semiconductor at room temperature:
A)increase the number of electrons in the conduction band
B)increase the number of holes in the valence band
C)lower the Fermi level
D)increase the electrical resistivity
E)none of the above

Question

Quizplus · Accepted Answer

Donor atoms introduce extra electrons into the conduction band of a semiconductor, increasing the number of free electrons available for conduction.

Donor Atoms Introduced into a Pure Semiconductor at Room Temperature