Analog Electronics MCQs

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

Analog Electronics MCQs | Page 45 of 103

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Discuss
Answer: (a).audio frequencies only
Q442.
Which op-amp circuit uses a capacitor in series with input and resistance in feedback path?
Discuss
Answer: (a).Differentiating amplifier
Q443.
For class B operation the theoretical maximum efficiency is
Discuss
Answer: (b).78.5%
Q444.
Typical values of current gains for CE, CB and CC amplifiers are
Discuss
Answer: (b).120, 1 and 120 respectively
Discuss
Answer: (c).Reduce all dc sources to zero and short all capacitors
Q446.
The signal input to a given amplifier is made up of 100 mฮฉ signal power and 1 mฮฉ noise power. The amplifier contributes an additional 100 mฮฉ of noise and has a power gain of 20 dB. The noise factor is
Discuss
Answer: (c).2.0
Q447.
Assertion (A): The gain of an FET amplifier can be changed by changing gm

Reason (R): Most receivers use automatic gain control to counteract changes in volume caused by fading
Discuss
Answer: (b).Both A and R are correct but R is not correct explanation for A
Q448.
The element in the feedback circuit of a logarithmic amplifier using op-amp is
Discuss
Answer: (d).a diode
Q449.
In a FET, gm varies as
Discuss
Answer: (d).โˆšIDS
Q450.
Assertion (A): Class A and Class B amplifier predominate in audio applications.

Reason (R): Class C amplifier is used at radio frequencies.
Discuss
Answer: (b).Both A and R are correct but R is not correct explanation for A