By Team Aakash Byju's | 14th January 2023
A Zener diode is always connected in reverse bias to use it as voltage.
The potential barrier of a p-n junction lies between 0.1 to 0.3 V, approximately.
A
B
Consider the following statements A and B and identify the correct answer.
Both are correct.
A.
Both are wrong.
B.
Only A is correct.
C.
Only B is correct.
D.
The correct answer is option C. Only A is correct.
Detailed Explanation
A Zener diode itself is a special type of diode designed to reliably allow current to flow backward whereas regular diodes are forward-biased. Thus, statement A is correct.
The potential barrier of any conductor will be approximately 0 eV. for semiconductors, it will be between 0.1 - 1.1 eV. But the value mentioned in statement B is too big. Thus, B is incorrect.
Potential Barrier
Positive donor ions
Free Electrons
Holes
Negative acceptor ions
-
+
P- region
N- region