NEET2021Physics-Semiconductors

NEET 2021 Physics Zener Diode Assertion Reason Question

Type: Assertion Reason-conceptual-Medium-Class 12

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.

A

(A) and (B) both are correct.

B

(A) and (B) both are incorrect.

C

(A) is correct and (B) is incorrect.

D

(A) is incorrect but (B) is correct.

Correct Answer

Option C

Detailed Explanation

A zener diode operates in reverse bias to regulate voltage. The potential barrier for a p-n junction typically lies between 0.1 V and 0.3 V.

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