All Courses
Get the App Signup / Login
Sign in Open App
Electronics and Communication Engineering (ECE) Exam  >  Electronics and Communication Engineering (ECE) Tests  >  Test: Cut Off Frequency & Wavelength - Electronics and Communication Engineering (ECE) MCQ

Test: Cut Off Frequency & Wavelength - Electronics and Communication Engineering (ECE) MCQ


Test Description

12 Questions MCQ Test - Test: Cut Off Frequency & Wavelength

Test: Cut Off Frequency & Wavelength for Electronics and Communication Engineering (ECE) 2024 is part of Electronics and Communication Engineering (ECE) preparation. The Test: Cut Off Frequency & Wavelength questions and answers have been prepared according to the Electronics and Communication Engineering (ECE) exam syllabus.The Test: Cut Off Frequency & Wavelength MCQs are made for Electronics and Communication Engineering (ECE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Cut Off Frequency & Wavelength below.
Solutions of Test: Cut Off Frequency & Wavelength questions in English are available as part of our course for Electronics and Communication Engineering (ECE) & Test: Cut Off Frequency & Wavelength solutions in Hindi for Electronics and Communication Engineering (ECE) course. Download more important topics, notes, lectures and mock test series for Electronics and Communication Engineering (ECE) Exam by signing up for free. Attempt Test: Cut Off Frequency & Wavelength | 12 questions in 10 minutes | Mock test for Electronics and Communication Engineering (ECE) preparation | Free important questions MCQ to study for Electronics and Communication Engineering (ECE) Exam | Download free PDF with solutions
Test: Cut Off Frequency & Wavelength - Question 1
Save

The real part of the propagation constant is the

Detailed Solution for Test: Cut Off Frequency & Wavelength - Question 1

Answer: a
Explanation: The propagation constant is given by γ = α + jβ. Here the real part is the attenuation constant and the imaginary part is the phase constant.

Test: Cut Off Frequency & Wavelength - Question 2
Save

The phase constant of a wave is given by

Detailed Solution for Test: Cut Off Frequency & Wavelength - Question 2

Answer: a
Explanation: The phase constant of a wave in a transmission line is given by β = ω√(LC), where L and C are the specifications of the line.

1 Crore+ students have signed up on EduRev. Have you? Download the App
Test: Cut Off Frequency & Wavelength - Question 3
Save

The cut off frequency of the dominant mode in a TE wave in the line having a and b as 2.5 cm and 1 cm respectively is

Detailed Solution for Test: Cut Off Frequency & Wavelength - Question 3

Answer: d
Explanation: The dominant mode in TE is TE10. The cut off frequency will be mc/2a, where m = 1 and a = 0.025 are given. On substituting, we get the frequency as 1 x 3 x 108/2 x 0.025 = 6 GHz.

Test: Cut Off Frequency & Wavelength - Question 4
Save

The cut off frequency of the TE01 mode will be 
Detailed Solution for Test: Cut Off Frequency & Wavelength - Question 4

Answer: d
Explanation: The cut off frequency consists of modes m and n. For m = 0, the dimension b will be considered. Thus the frequency is nc/2b, where c is the speed of the light.

Test: Cut Off Frequency & Wavelength - Question 5
Save

The condition which will satisfy the dimensions of the waveguide is
Detailed Solution for Test: Cut Off Frequency & Wavelength - Question 5

Answer: b
Explanation: The dimensions a and b represent the broad wall and the side wall dimensions respectively. The broad wall will be greater than the side wall. Thus the condition a>b is true.

Test: Cut Off Frequency & Wavelength - Question 6
Save

The cut off wavelength of the TE10 mode having a broad wall dimension of 5cm is 
Detailed Solution for Test: Cut Off Frequency & Wavelength - Question 6

Answer: a
Explanation: The cut off wavelength of the waveguide is given by λc = 2a/m. on substituting for a = 0.05 and m = 1, we get λc = 2 x 0.05/1 = 0.1 units.

Test: Cut Off Frequency & Wavelength - Question 7
Save

The broad wall dimension of a waveguide having a cut off frequency of 7.5 GHz is
Detailed Solution for Test: Cut Off Frequency & Wavelength - Question 7

Answer: b
Explanation: The cut off frequency and the broad wall dimension are related by fc = mc/2a. On substituting for m = 1 and fc = 7.5 GHz, we get a = 0.02 or 2 cm.

Test: Cut Off Frequency & Wavelength - Question 8
Save

The sin θ in the waveguide refers to the ratio of the
Detailed Solution for Test: Cut Off Frequency & Wavelength - Question 8

Answer: c
Explanation: The ratio of the cut off frequency to the frequency at any point gives the sin θ in a waveguide.

Test: Cut Off Frequency & Wavelength - Question 9
Save

Is the transmission of a frequency 5 GHz possible in waveguides? 
Detailed Solution for Test: Cut Off Frequency & Wavelength - Question 9

Answer: a
Explanation: The cut off frequency for waveguide operation is 6 GHz. Thus a wave of 5 GHz is not possible for transmission in a waveguide.

Test: Cut Off Frequency & Wavelength - Question 10
Save

The dimension for a waveguide in dominant mode with a cut off wavelength of 2 units is
Detailed Solution for Test: Cut Off Frequency & Wavelength - Question 10

Answer: b
Explanation: The cut off wavelength of a waveguide is given by λc = 2a/m. For the dominant mode, m = 1. Given that λc = 2, thus we get a = 4 units.

Test: Cut Off Frequency & Wavelength - Question 11
Save

The waveguides are used in a transmission line for
Detailed Solution for Test: Cut Off Frequency & Wavelength - Question 11

Answer: a
Explanation: The waveguides are used to increase the transmission efficiency of the waves travelling through it.

Test: Cut Off Frequency & Wavelength - Question 12
Save

The attenuation coefficient of the wave having a resistance of 15 ohm in a 50 ohm line is
Detailed Solution for Test: Cut Off Frequency & Wavelength - Question 12

Answer: c
Explanation: The attenuation coefficient of a wave with a resistance of R in a line of characteristic impedance Zo is α = R/2Zo. On substituting for R = 15 and Zo = 50, we get α = 15/(2 x 50) = 0.15 units.

Information about Test: Cut Off Frequency & Wavelength Page
In this test you can find the Exam questions for Test: Cut Off Frequency & Wavelength solved & explained in the simplest way possible. Besides giving Questions and answers for Test: Cut Off Frequency & Wavelength, EduRev gives you an ample number of Online tests for practice

Top Courses for Electronics and Communication Engineering (ECE)

Download as PDF

Top Courses for Electronics and Communication Engineering (ECE)

Important Questions for Cut Off Frequency & Wavelength

Find all the important questions for Cut Off Frequency & Wavelength at EduRev.Get fully prepared for Cut Off Frequency & Wavelength with EduRev's comprehensive question bank and test resources. Our platform offers a diverse range of question papers covering various topics within the Cut Off Frequency & Wavelength syllabus. Whether you need to review specific subjects or assess your overall readiness, EduRev has you covered. The questions are designed to challenge you and help you gain confidence in tackling the actual exam. Maximize your chances of success by utilizing EduRev's extensive collection of Cut Off Frequency & Wavelength resources.

Cut Off Frequency & Wavelength MCQs with Answers

Prepare for the Cut Off Frequency & Wavelength within the Electronics and Communication Engineering (ECE) exam with comprehensive MCQs and answers at EduRev. Our platform offers a wide range of practice papers, question papers, and mock tests to familiarize you with the exam pattern and syllabus. Access the best books, study materials, and notes curated by toppers to enhance your preparation. Stay updated with the exam date and receive expert preparation tips and paper analysis. Visit EduRev's official website today and access a wealth of videos and coaching resources to excel in your exam.

Online Tests for Cut Off Frequency & Wavelength

Practice with a wide array of question papers that follow the exam pattern and syllabus. Our platform offers a user-friendly interface, allowing you to track your progress and identify areas for improvement. Access detailed solutions and explanations for each test to enhance your understanding of concepts. With EduRev's Online Tests, you can build confidence, boost your performance, and ace Cut Off Frequency & Wavelength with ease. Join thousands of successful students who have benefited from our trusted online resources.
© EduRev
Education Revolution
Signup to see your scores go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup