question_answer

In the middle of the depletion layer of a reverse-biased PN junction, the                                              [AIEEE 2003]

A)            Potential is zero                  

B)            Electric field is zero

C)            Potential is maximum      

D)            Electric field is maximum

Correct Answer: D

Solution :

                   The electric field strength versus distance curve across the P-N junction is as follows