Communication Systems MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Communication Systems, 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 Communication Systems 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 Communication Systems mcq questions that explore various aspects of Communication Systems problems. Each MCQ is crafted to challenge your understanding of Communication Systems 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 Communication Systems 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 Communication Systems. 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 Communication Systems knowledge to the test? Let's get started with our carefully curated MCQs!

Communication Systems MCQs | Page 21 of 120

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Q201.
The carrier frequency will be if L = 50 µH and C = 1 nF.
Discuss
Answer: (c).712 kHz
Q202.
Which of the following antennas is circularly polarized?
Discuss
Answer: (d).Helical
Q203.
In colour TV system the colour sub carrier frequency is 4.43 MHz.
Discuss
Answer: (b).False
Q204.
A transmitter power of 5 W is increased by 20 dB. The effective radiated power is
Discuss
Answer: (d).500 W
Q205.
The percentage saving in power of 100% modulated suppressed carrier AM signal is
Discuss
Answer: (c).66.6
Q206.
The maximum distance between television transmission and receiving antennas for reasonably good reception should be
Discuss
Answer: (b).less than 100 km
Q207.
Three point tracking is achieved with
Discuss
Answer: (b).padder capacitor
Q208.
In TV transmitter, visual exciter may consist of

1. Video processing unit
2. Visual modulator
3. VSB filter
4. Delay equaliser
5. Frequency converter

Which of the above are actually a part of visual exciter?
Discuss
Answer: (d).1, 2, 3, 4 and 5
Q209.
The positive peak of an AM wave is 16 V and the minimum value is 4 V Assuming single tone modulation, the modulation index is
Discuss
Answer: (a).0.6
Q210.
In a circuit the value of resistor is made four times. The noise voltage generated by this resistance will
Discuss
Answer: (a).be doubled