All Courses
Explore Courses UPSC Exam UPSC Test Series Free Notes EduRev Infinity Get the App Login Join for Free
Sign in Open App
Electrical Engineering (EE) Exam  >  Electrical Engineering (EE) Questions  >  Which of these has 3 layers?a)PIN diodeb)Zene... Start Learning for Free
SaveJoin the Discussion on the App
Which of these has 3 layers?
  • a)
    PIN diode
  • b)
    Zener diode
  • c)
    Schottky diode
  • d)
    Photo diode
Correct answer is option 'A'. Can you explain this answer?
FREE This question is part of
Download PDF Attempt Test
Download PDF Attempt this Test
Verified Answer
Which of these has 3 layers?a)PIN diodeb)Zener diodec)Schottky dioded)...
PIN diode structure
The PIN diode receives its name from the fact that is has three main layers. Rather than just having a P type and an N type layer, the PIN diode has three layers:
> P-type layer
> Intrinsic layer
> N-type layer
View all questions of this test
Most Upvoted Answer
Which of these has 3 layers?a)PIN diodeb)Zener diodec)Schottky dioded)...
Undoped intrinsic semiconductor region between a p-type semiconductor and an n-type semiconductor region produce a three layer device PIN diode. The p-type and n-type regions are typically heavily doped because they are used for ohmic contacts.
Free Test
FREE
Start Free Test
Start Free Test
Community Answer
Which of these has 3 layers?a)PIN diodeb)Zener diodec)Schottky dioded)...
Answer:

Introduction:

In this question, we are asked to identify which of the given options has three layers. The options provided are PIN diode, Zener diode, Schottky diode, and Photo diode. Among these options, the correct answer is option 'A', which is the PIN diode.

PIN Diode:

A PIN diode is a type of diode that consists of three layers - P, Intrinsic, and N. The term "PIN" stands for Positive, Intrinsic, and Negative. These three layers are doped differently, which gives the PIN diode its unique characteristics.

Working Principle:

When a forward bias is applied to the PIN diode, the P-region becomes positive and the N-region becomes negative. This causes the intrinsic region to become depleted, forming a depletion region. The depletion region acts as a barrier to the flow of current.

Characteristics:

The PIN diode has the following characteristics:


  • Highly resistive intrinsic region

  • Low capacitance

  • Low reverse recovery time

  • Wide depletion region


Applications:

The PIN diode has various applications due to its unique characteristics. Some of the applications include:


  • Microwave switches and attenuators

  • RF switches

  • RF power detectors

  • Optical communication systems


Conclusion:

The PIN diode is a three-layered diode with a highly resistive intrinsic region. It is commonly used in applications such as microwave switches, RF switches, and optical communication systems. The other options mentioned in the question - Zener diode, Schottky diode, and Photo diode - do not have three layers and therefore, the correct answer is option 'A'.
< Previous Question Next Question >
Explore Courses for Electrical Engineering (EE) exam

Top Courses for Electrical Engineering (EE)View all

Top Courses for Electrical Engineering (EE)

Which of these has 3 layers?a)PIN diodeb)Zener diodec)Schottky dioded)Photo diodeCorrect answer is option 'A'. Can you explain this answer?
Question Description
Which of these has 3 layers?a)PIN diodeb)Zener diodec)Schottky dioded)Photo diodeCorrect answer is option 'A'. Can you explain this answer? for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about Which of these has 3 layers?a)PIN diodeb)Zener diodec)Schottky dioded)Photo diodeCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of these has 3 layers?a)PIN diodeb)Zener diodec)Schottky dioded)Photo diodeCorrect answer is option 'A'. Can you explain this answer?.
Solutions for Which of these has 3 layers?a)PIN diodeb)Zener diodec)Schottky dioded)Photo diodeCorrect answer is option 'A'. Can you explain this answer? in English & in Hindi are available as part of our courses for Electrical Engineering (EE). Download more important topics, notes, lectures and mock test series for Electrical Engineering (EE) Exam by signing up for free.
Here you can find the meaning of Which of these has 3 layers?a)PIN diodeb)Zener diodec)Schottky dioded)Photo diodeCorrect answer is option 'A'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of Which of these has 3 layers?a)PIN diodeb)Zener diodec)Schottky dioded)Photo diodeCorrect answer is option 'A'. Can you explain this answer?, a detailed solution for Which of these has 3 layers?a)PIN diodeb)Zener diodec)Schottky dioded)Photo diodeCorrect answer is option 'A'. Can you explain this answer? has been provided alongside types of Which of these has 3 layers?a)PIN diodeb)Zener diodec)Schottky dioded)Photo diodeCorrect answer is option 'A'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice Which of these has 3 layers?a)PIN diodeb)Zener diodec)Schottky dioded)Photo diodeCorrect answer is option 'A'. Can you explain this answer? tests, examples and also practice Electrical Engineering (EE) tests.
Explore Courses for Electrical Engineering (EE) exam

Top Courses for Electrical Engineering (EE)

Explore Courses

Suggested Free Tests

Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev
Get App
© EduRev
Education Revolution
Follow Us
Signup to see your scores go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup