Q.

Choose the correct statement about Zener diode              [2023]

1 It works as a voltage regulator in reverse bias and behaves like simple p–n junction diode in forward bias.  
2 It works as a voltage regulator in both forward and reverse bias.  
3 It works a voltage regulator only in forward bias.  
4 It works as a voltage regulator in forward bias and behaves like simple p–n junction diode in reverse bias.  

Ans.

(1)

Works as voltage regulator in reverse bias and as simple P-N junction in forward bias.