Q30.The I −V characteristics of an LED is: JEE Main 2013 (07 Apr) JEE Main Previous Year Paper (1) (2) (3) (4)
What This Question Tests
This question assesses the understanding of the current-voltage (I-V) characteristics of a Light Emitting Diode (LED) under forward bias, identifying its unique turn-on voltage.
Concepts Tested
📚 NCERT Sections This Tests
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.
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?
14.1 — 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
- LED Characteristics
- Year
- 2013
- Shift
- 07 Apr
- Q Number
- Q30
- Type
- Graph based
- NCERT Ref
- Class 12 Physics Ch 14: Semiconductor Electronics: Materials, Devices and Simple Circuits
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