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 4 of 41

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Q31.
If wavelength in free space is λ₀ wavelength in insulator λ, μr is relative permittivity or insulator and ∈r is relative permittivity or insulator, then

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q32.
In the given figure the circuits for input impedance of a microwave device with output ports match terminated. The device is
Discuss
Answer: (d).hybrid ring
Q33.
The scattering matrix of magic tee is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q34.
Guide wavelength (λg), cutoff wavelength (λc) and free space wavelength (λ₀) of a waveguide are related as

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q35.
Consider the following statements about directional coupler shown in the figure:

1. Ports 1 and 2 are decouple
2. Ports 3 and 4 are decoupled
3. Pots 1 and 3 are decoupled
4. Ports 1 and 4 are decoupled

Which of the above statements are correct?
Discuss
Answer: (a).1 and 2 only
Q36.
Two identical hybrid tees are joined as shown in the given figure. If 16 mW power is fed into port 1, the power output at ports 2 , 3, 1', 2', 3' respectively is
Discuss
Answer: (b).0, 8, 4, 4, 0 mW
Q37.
If QL is loaded Q, QE is external Q and QU is unloaded Q of a microwave resonator, then

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q38.
A rectangular wave guide has two stubs each of length λ/4 connected at the source end. The stubs are circuited. Then the stubs present
Discuss
Answer: (a).an infinite impedance in shunt with line
Q39.
Which one of the following is also called 'rat race'?
Discuss
Answer: (d).Hybrid ring
Discuss
Answer: (d).all of the above
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