First slide

P-N junction

Question

The cause of potential barrier in the p n junction is

Easy

A

depletion of positive charges near the junction
B

concentration of positive charges near the junction
C

depletion of negative charges near the junction
D

concentration of positive and negative charges near the junction

Solution

due to diffusion majority charge carriers cross the junction and made p types atom -ve ions and n type atoms + ve ions near the junction produces the depletion layer which prevents further diffusion

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