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 30 of 120

Discover more Topics under Electronics and Communication Engineering

Q291.
Dolby system of noise reduction divides the total audio spectrum into
Discuss
Answer: (b).4 frequency bands
Q292.
In a system an input resistance of 20 kฮฉ causes a noise voltage of 15ฮผV. If two such input resistances each of 20 kฮฉ are used in parallel, the total noise voltage will be about
Discuss
Answer: (d).10.6 ฮผV
Q293.
A sinusoidal signal with peak to peak amplitude of 1.536 volt is quantized into 128 levels using a mid-rise uniform quantizer. The quantization noise power is
Discuss
Answer: (c).12 x 10โ€พโถ V
Q294.
An FM wave is made to pass through a frequency tripler. If original modulation index is mf, the output of tripler has a modulation index equal to
Discuss
Answer: (c).3 mf
Q295.
A balun provides an impedance transformation of
Discuss
Answer: (c).4 : 1
Q296.
If ฮณ = (S0/N0)/(Si/Nm) where S0 and S1 are signal power output and signal power input and N0 and Nm are noise power output and noise power input, the value of ฮณ for SSB-SC and DSB-SC amplitude modulated system respectively are
Discuss
Answer: (a).1 and 1
Q297.
Which of the following amplifiers is used for impedance matching?
Discuss
Answer: (b).CC
Q298.
Which of the following amplifiers has highest output impedance?
Discuss
Answer: (b).CB
Q299.
In a superheterodyne receiver, having no RF amplifier, the IF is 455 kHz. The image frequency at 1000 kHz is
Discuss
Answer: (b).545 kHz
Q300.
Audio tapes have two tracks each 2.5 mm wide.
Discuss
Answer: (b).False