When p-n junction diode is biased, which of the following statements is correct?
1
Depletion layer gets wider when it is reverse biased.
2
Depletion layer gets narrower only when diode is forward biased and remains constant when it is reverse biased.
3
Depletion layer gets narrower when it is reverse biased.
4
Depletion layer gets wider only when diode is forward biased and remains constant when it is reverse biased.