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 14 of 41

Q131.
Assertion (A): A line of length λ/4 and short circuited at far end has an input impedance of infinity.

Reason (R): A line of length λ/4 and short circuited at far end behaves as a parallel resonant circuit.
Discuss
Answer: (a).Both A and R are correct and R is correct explanation of A
Q132.
Assertion (A): PIN diode is used as a fast switch.

Reason (R): PIN diode has very high resistance when reverse biased and very low resistance when forward biased.
Discuss
Answer: (a).Both A and R are correct and R is correct explanation of A
Q133.
A pulsed radar produces 1 μ sec pulses at a rate of 1000 per second. The duty cycle is
Discuss
Answer: (a).0.001
Q134.
Assertion (A): Impedance measurement at microwave frequencies is done by finding SWR.

Reason (R): SWR and reflection coefficient depend on the characteristic impedance and load impedance.
Discuss
Answer: (b).Both A and R are correct but R is not correct explanation of A
Discuss
Answer: (c).Reflex klystron amplifier
Q136.
A coaxial RF cable has a characteristic impedance of 50 Ω and C equal to 40 pF/m. The inductance is
Discuss
Answer: (c).0.1 μ H/m
Q137.
In a multicavity klystron amplifier the signal to be amplified develops an ac voltage of signal frequency across the gap in buncher cavity
Discuss
Answer: (a).True
Q138.
If VSWR is infinite, the transmission line is terminated in
Discuss
Answer: (d).either (a) or (c)
Q139.
The semiconductor diode which can be used in switching circuit in microwave range is
Discuss
Answer: (a).PIN diode
Q140.
A line has an attenuation of 0.054 Np/m. The attenuation in decibels is
Discuss
Answer: (b).0.47 dB/m