Microwave Communication MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Microwave Communication, a fundamental topic in the field of Electronics and Communication Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Microwave Communication MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Microwave Communication mcq questions that explore various aspects of Microwave Communication problems. Each MCQ is crafted to challenge your understanding of Microwave Communication principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Electronics and Communication Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Microwave Communication MCQs are your pathway to success in mastering this essential Electronics and Communication Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Microwave Communication. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Microwave Communication knowledge to the test? Let's get started with our carefully curated MCQs!

Microwave Communication MCQs | Page 11 of 41

Q101.
The bunching action which occurs in multicavity klystron amplifier can be represented by Applegate diagram
Discuss
Answer: (a).True
Discuss
Answer: (a).guide diameter
Q103.
In Reflex Klystron oscillator the focussing electrode is at a high potential
Discuss
Answer: (b).False
Q104.
Consider the following statements:

1. Impedance of Gunn diode is about tens of ohms.
2. Impedance of Impatt diode is a few ohms.
3. Impedance of Impatt diode are of the same order.
4. Impedance of Impatt diode is more than that of Gunn diode.

Which of the above statement are correct?
Discuss
Answer: (b).1 and 2 only
Q105.
In high frequency circuits impedance matching can be done by

1. open circuited stubs
2. short circuited stubs
3. λ/4 transformer

Which of the above correct?
Discuss
Answer: (a).1, 2 and 3
Discuss
Answer: (a).its cross-sectional area
Discuss
Answer: (c).Reflection coefficient is negative
Q108.
Assertion (A): A backward wave oscillator can be used as a sweep generator.

Reason (R): The frequency of oscillation of a backward wave oscillator can be changed by varying the voltage which controls the beam velocity.
Discuss
Answer: (a).Both A and R are correct and R is correct explanation of A
Q109.
If a line having Z₀ = 300 ∠ 0 W is open circuited at far end, VSWR is
Discuss
Answer: (c).
Q110.
If f is the frequency of electromagnetic wave, fc is cutoff frequency, then in a rectangular waveguide
Discuss
Answer: (a).attenuation is low when f > fc