1.

What happens to the width of depletion layer of a p-n junction when it is(i) forward biased,(ii) reverse biased?

Answer»

(i) Reverse biased :
Potential drop across the junction increases and diffusion of holes and electrons across the junction decreases. It makes the width of the depletion layer larger.
(ii) Forward biased :
Potential drop across the junction decreases and diffusion of holes and electrons across the junction increases. It makes the width of the depletion layer smaller.


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