Match List – I with List

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Target Exam

CUET

Subject

Physics

Chapter

Semiconductors and Electronic Devices

Question:

Match List – I with List – II.

List-I	List-II
(A) Zener diode	(I) Heavily doped operates in forward bias
(B) Photo diode	(II) No external bias required
(C) Solar cell	(III) Heavily doped operates in reverse bias as a voltage regulator
(D) Light emitting diode	(IV) Fabricated with a transparent window to allow light to fall on it

Choose the correct answer from the options given below:

Options:

(A) - (II), (B) - (III), (C) - (IV), (D) - (I)

(A) - (I), (B) - (II), (C) - (III), (D) - (IV)

(A) - (IV), (B) - (I), (C) - (II), (D) - (III)

(A) - (III), (B) - (IV), (C) - (II), (D) - (I)

Correct Answer:

(A) - (III), (B) - (IV), (C) - (II), (D) - (I)

Explanation:

The correct answer is Option (4) → (A) - (III), (B) - (IV), (C) - (II), (D) - (I)

A Zener diode acts as a voltage regulator (A - III).
A photo-diode is fabricated with a transparent window to allow light to fall on it (B - IV).
A solar cell does not require any biasing (C - II).
An LED is heavily doped and operates in forward bias (D - I).