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 4 of 7

Q31.
What is used to generate a DSB signal?
Discuss
Answer: (a).Balanced modulator
Discuss
Answer: (b).Reduce in spectrum space
Q33.
SSB transmitters are lighter and require less power than their normal AM transmitters.
Discuss
Answer: (a).True
Q34.
Where does selective fading occur?
Discuss
Answer: (c).Atmosphere
Q35.
Why is no carrier signal transmitted when the amplitude of the modulating signal is 0 in an SSB transmission?
Discuss
Answer: (c).No sideband is generated
Q36.
Which one of the following is not true with respect to SSB signal?
Discuss
Answer: (a).Hard to demodulate
Q37.
The low power carrier transmitted with SSB signal is called as?
Discuss
Answer: (d).Pilot carrier
Q38.
What is the peak envelope power if the rms voltage is 127.26 V across a 50 Ω load?
Discuss
Answer: (a).324 W
Q39.
What is the maximum current if the peak envelope power is 500 W and the supply to the amplifier is 50 V?
Discuss
Answer: (a).10 A
Q40.
What is the PEP if the transmitter produces a peak to peak voltage of 178 V across a 75 Ω load?
Discuss
Answer: (b).52.8 W
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