Q20.With increasing biasing voltage of a photo diode, the photocurrent magnitude: (1) remains constant (2) increases initially and after attaining certain value, it decreases (3) increases linearly (4) increases initially and saturates finally
What This Question Tests
This question is a direct recall of the characteristic behavior of a photodiode, specifically how photocurrent varies with increasing reverse biasing voltage until saturation.
Concepts Tested
📚 NCERT Sections This Tests
11.3 — The Photoelectric Cut-Off Voltage In A Certain Experiment Is 1.5 V.
Physics Class 12 · Chapter 11
11.3 The photoelectric cut-off voltage in a certain experiment is 1.5 V. What is the maximum kinetic energy of photoelectrons emitted?
14.2 — Which Of The Statements Given In Exercise 14.1 Is True For P-Type
Physics Class 12 · Chapter 14
14.2 Which of the statements given in Exercise 14.1 is true for p-type semiconductos.
14.1 — In An N-Type Silicon, Which Of The Following Statement Is True:
Physics Class 12 · Chapter 14
14.1 In an n-type silicon, which of the following statement is true: (a) Electrons are majority carriers and trivalent atoms are the dopants. (b) Electrons are minority carriers and pentavalent atoms are the dopants. (c) Holes are minority carriers and pentavalent atoms are the dopants. (d) Holes are majority carriers and trivalent atoms are the dopants.
📋 Question Details
- Chapter
- Semiconductor
- Topic
- Photodiode characteristics
- Year
- 2020
- Shift
- 05 Sep Shift 1
- Q Number
- Q20
- Type
- Conceptual
- NCERT Ref
- Class 12 Physics Ch 14: Semiconductor Electronics: Materials, Devices and Simple Circuits
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