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 24 of 103

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Q231.
The most widely used diode rectifier circuit is
Discuss
Answer: (c).bridge
Discuss
Answer: (c).frequency of oscillation is almost constant
Q233.
Percentage increase in the reverse saturation current of a diode if the temperature is increased from 25°C to 50°C
Discuss
Answer: (c).565.7%
Discuss
Answer: (d).voltage regulation in quadrupler circuit will be poorer than in tripler circuit
Q235.
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
Q236.
In a power amplifier the collector current flows for 270° of the input cycle. The operations is
Discuss
Answer: (c).class AB
Q237.
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
Q238.
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
Q239.
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
Q240.
The purpose of connecting a coupling capacitor in the output circuit of an amplifier is
Discuss
Answer: (c).to block dc collector voltage