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 111 of 120

Q1101.
Sparking affects amplitude modulation.
Discuss
Answer: (a).True
Q1102.
For low impedance SAW filter the most suitable material for substrate of SAW filter is
Discuss
Answer: (a).PZT ceramics
Q1103.
An angle modulated signal is expressed by fa(t) = cos (2 x 10⁸ πt) + 75 sin (2 x 10³ πt). The peak frequency deviation of the carrier is
Discuss
Answer: (c).75 kHz
Q1104.
The amplitude of a modulated RF aerial current is 6 A on the peaks of modulation and 4 A on the troughs of modulation. The value of carrier amplitude is
Discuss
Answer: (a).5
Q1105.
In practical commercial AM system channel bandwidth is
Discuss
Answer: (c).15 kHz
Q1106.
The currents fed to the two dipoles of turnstile antenna are
Discuss
Answer: (b).in quadrature
Q1107.
Armstrong modulator generates
Discuss
Answer: (d).both (b) and (c)
Q1108.
The diagonal clipping in Amplitude Demodulation using (envelope detector) can be avoided if Rc time constant of the envelope detector satisfies the following condition here ω is message bandwidth and ωc is carrier frequency both in rad sec,
Discuss
Answer: (a).Rc < 1/ω
Q1109.
To select one out of N equally probable events, the number of bits required is
Discuss
Answer: (a).log₂ N
Q1110.
What is the frequency of audio modulation?
Discuss
Answer: (b).2000 Hz