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 11 of 103

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Q101.
Figure uses 10 V zener diode. The minimum and maximum current through series resistance are

a.

10 mA and 30 mA

b.

20 mA and 40 mA

c.

0 and 30 mA

d.

0 and 40 mA

Discuss
Answer: (a).10 mA and 30 mA
Q102.
When Z1 << Z, The circuit of figure works as

a.

inverting amplifier

b.

Schmitt trigger

c.

non-inverting amplifier

d.

source follower

Discuss
Answer: (d).source follower
Q103.
Voltage VL in the circuit when Vs < 0 where D is an ideal diode. (Take R1 = Rs = RL = 1 ฮฉ)

a.

0

b.

1

c.

1.5

d.

cannot find

Discuss
Answer: (a).0
Q104.
For the amplifier in figure, ฮฒ = 800. The mid-band voltage gain V0/Vi is

a.

0

b.

< 1

c.

โ‰ˆ 1

d.

800

Discuss
Answer: (c).โ‰ˆ 1
Q105.
DC voltage of the order of a few mV can be accurately of measured by

a.

PMMC voltmeters

b.

moving iron voltmeter

c.

null balancing potentiometer

d.

electrostatic voltmeter

Discuss
Answer: (c).null balancing potentiometer
Q106.
In a CE amplifier the input impedance is equal to the ratio of

a.

ac base voltage to ac base current

b.

ac base voltage to ac emitter current

c.

ac emitter voltage to ac collector current

d.

ac collector voltage to ac collector current

Discuss
Answer: (a).ac base voltage to ac base current
Q107.
For a system to work, as oscillator the total phase shift of the loop gain must be equal to

a.

90°

b.

45°

c.

270°

d.

360°

Discuss
Answer: (d).360°
Q108.
An amplifier has a large ac input signal. The clipping occurs on both the peaks. The output voltage will be nearly a

a.

sine wave

b.

square wave

c.

triangular wave

d.

(a) or (c)

Discuss
Answer: (b).square wave
Q109.
To prevent a DC return between source and load, it is necessary to use

a.

resistor between source and load

b.

inductor between source and load

c.

capacitor between source and load

d.

either (a) or (b)

Discuss
Answer: (c).capacitor between source and load
Q110.
For a base current of 10 ฮผA, what is the value of collector current in common emitter if ฮฒdc = 100

a.

10 ฮผA

b.

100 ฮผA

c.

1 mA

d.

10 mA

Discuss
Answer: (c).1 mA
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