First slide
P-N junction diode
Question

Consider the following statements and and identify the correct choice of the given answers. 

(A) A Zener diode is always connected in reverse bias. 

(B) The potential barrier of a PN -junction  lies between 0.1 to 0.3 V approximately.

Moderate
Solution

For Si, potential barrier is 0.7 V and its 0.3 V for Ge.

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