Amplitude and Frequency Modulation MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Amplitude and Frequency Modulation, a fundamental topic in the field of Avionics Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Amplitude and Frequency Modulation 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 Amplitude and Frequency Modulation mcq questions that explore various aspects of Amplitude and Frequency Modulation problems. Each MCQ is crafted to challenge your understanding of Amplitude and Frequency Modulation principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Avionics Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Amplitude and Frequency Modulation MCQs are your pathway to success in mastering this essential Avionics Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Amplitude and Frequency Modulation. 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 Amplitude and Frequency Modulation knowledge to the test? Let's get started with our carefully curated MCQs!

Amplitude and Frequency Modulation MCQs | Page 2 of 7

Q11.
What is the modulation index value if Vmax=5.9v and Vmin=1.2v?
Discuss
Answer: (b).0.662
Q12.
Which of the following modulating signal voltage would cause over-modulation on a carrier voltage of 10v?
Discuss
Answer: (d).12
Q13.
What is the modulating signal voltage if the maximum and the minimum voltages on the wave was observed to be 5.9v and 1.2v respectively?
Discuss
Answer: (a).2.35v
Q14.
What is the wave of frequency that occurs at the sum and difference of the carrier and modulating signal is called?
Discuss
Answer: (b).Sideband
Q15.
What type of display will give us clear information on the signal if it is made up of different frequencies?
Discuss
Answer: (a).Frequency domain display
Q16.
What is the upper sideband frequency if the carrier frequency and the modulating signal frequency is 30 KHz and 80 Hz respectively?
Discuss
Answer: (b).30.8 Khz
Q17.
What is the maximum carrier frequency to be used if the upper limit frequency that is available is 4000 Hz and the frequency of the modulating signal is 100 Hz?
Discuss
Answer: (d).3900 Hz
Q18.
What is the instrument that is used to represent the frequency domain of the signal?
Discuss
Answer: (c).Spectrum analyzer
Q19.
What is the bandwidth of the signal if the upper sideband frequency and the lower sideband frequency are 7350 KHz and 7210 KHz respectively?
Discuss
Answer: (b).140 Khz
Q20.
What is the bandwidth of the signal if the highest frequency in the modulating signal is 3 KHz?
Discuss
Answer: (a).6 Khz
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