Electronic Devices and Circuits

Q1: The depletion layer across a P+ n junction lies

A mostly in the P+ region

B mostly in n region

C equally in both the P+ and n-region

D entirely in the P+ region

ANS:A - mostly in the P+ region

For p^+ n diode Na >>> Nd => Wn > Wp.

Depletion layer always penetrates towards the lightly doped side.

So the answer B.



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