Consider the following statements (A) and (B) and identify the correct answer. (A) A zener diode is connected in reverse bias, when used as a voltage regulator. (B) The potential barrier of p - n junction lies between 0.1 V to 0.3 V.

1. A. (A) and (B) both are incorrect
2. B. (A) is correct and (B) is incorrect.
3. C. (A) is incorrect but (B) is correct.
4. D. (A) and (B) both are correct.

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