Radio Receivers MCQs

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

Radio Receivers MCQs | Page 10 of 10

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Q91.
Three point tracking can be achieved with
Discuss
Answer: (b).variable selectivity
Q92.
In a broadcast superheterodynes receiver having no RF amplifier, the loaded Q of the antenna coupling circuit is 100. If the intermediate frequency is 455 kHz. In receivers operating upto the limit of shortwave broadcasting the local oscillator often used is
Discuss
Answer: (a).Armstrong oscillator
Discuss
Answer: (d).all of the above
Discuss
Answer: (d).remains constant when the modulation index increases
Q95.
An unmodulated voltage 10 V effective is applied to a dioxide detector in which load resistance is 4 x 10¯⁵ ohms. A micrometer shows that the rectified DC current in this resistance is 30 A. The efficiency of detection is
Discuss
Answer: (d).84.7%
Discuss
Answer: (d).Somewhat worse when the receiving frequency is raised
Q97.
A receiver having an RF amplifier and an IF of 450 kHz, has Q of the coils 65 and an incoming frequency of 1200 kHz. The image rejection of the receiver is
Discuss
Answer: (c).236
Q98.
A padder is basically a/an
Discuss
Answer: (d).inductor
Q99.
In a radio receiver, the local oscillator is always tuned to a frequency higher than the incoming frequency to
Discuss
Answer: (b).allow permit adequate frequency coverage without switching
Q100.
When a superheterodyne receiver is tuned to 455 kHz, its local oscillator provides a mixer with the input at 1010 kHz. The image frequency is
Discuss
Answer: (c).1465 kHz
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