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 42 of 103

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Discuss
Answer: (d).voltage regulation in quadrupler circuit will be poorer than in tripler circuit
Q412.
A Ge diode operated at a junction temperature of 27°C. For a forward current of 10 mA, VD is found to be 0.3 V. If VD = 0.4 V then forward current will be
Discuss
Answer: (c).477 mA
Q413.
In a power amplifier the collector current flows for 270° of the input cycle. The operations is
Discuss
Answer: (c).class AB
Q414.
An amplifier has input impedance of 4 kฮฉ and output impedance of 80 kฮฉ. It is used in negative feedback circuit with 10% feedback. If open loop gain is 90, the closed loop input and output impedances are
Discuss
Answer: (a).40 kฮฉ and 8 kฮฉ respectively
Q415.
In a negative feedback amplifier A = 100, ฮฒ = 0.04 and Vs = 50 mV, then feedback will be

a.

4

b.

8

c.

10

d.

2

Discuss
Answer: (a).4
Q416.
A voltage doubler circuit is fed by a voltage Vm sin ฯ‰t. The output voltage will be nearly 2 Vm only if
Discuss
Answer: (b).load resistance is large
Q417.
The purpose of connecting a coupling capacitor in the output circuit of an amplifier is
Discuss
Answer: (c).to block dc collector voltage
Q418.
A full wave rectifier circuit using centre tapped transformer, the input frequency 50 Hz. The frequency of output is
Discuss
Answer: (a).100 Hz
Q419.
If the midband gain of an amplifier is 40 dB, the gain at half power frequency is
Discuss
Answer: (a).37 dB
Q420.
It is desired to reduce distortion in an amplifier from 8% to 2% by using 5% negative feedback. The open and closed loop gains respectively are
Discuss
Answer: (a).60 and 15