When a free electron enters the p region of a junction diode,it becomes a
A) majority carrier.
B) minority carrier.
C) hole.
D) depletion carrier.

Question

Quizplus · Accepted Answer

In a p-type semiconductor, the majority carriers are holes and the minority carriers are electrons. When a free electron enters the p region of a junction diode, it becomes a minority carrier because the p region already has an excess of holes. Thus, the electron will contribute to the flow of current in the diode as a minority carrier.

When a Free Electron Enters the P Region of a Junction