In a P-N diode, the region near the P-N junction is called:
A)the diffusion region.
B)the recombination region.
C)the neutral region.
D)the depletion region.

Question

Quizplus · Accepted Answer

The region near the P-N junction is called the depletion region because it is depleted of mobile charge carriers due to the diffusion of majority carriers from one region to the other. This creates a region of immobile charged ions that results in a potential barrier to the flow of current in the forward bias direction.

In a P-N Diode, the Region near the P-N Junction