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 10 of 103

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Q91.
The JFET in the circuit shown in figure has an IDSS = 10 mA and Vp = -5V. The value of the resistance Rs for a drain current IDS = 6.4 mA is

a.

156 ฮฉ

b.

470 ฮฉ

c.

560 ฮฉ

d.

1 kฮฉ

Discuss
Answer: (a).156 ฮฉ
Q92.
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
Q93.
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
Q94.
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°
Q95.
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
Q96.
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
Q97.
In figure, V0 =

a.

zero

b.

5.7 V

c.

6.9 V

d.

12.6 V

Discuss
Answer: (c).6.9 V
Q98.
In the op-amp circuit of figure, V0 =

a.

10 V

b.

-10 V

c.

5 V

d.

-5 V

Discuss
Answer: (b).-10 V
Q99.
In figure the zener has a resistance of 5 ohms. As the load resistance is varied, the output voltage

a.

will remain constant at 12 V

b.

will vary between 12.05 and 12.65 V

c.

will vary from 10 to 20 V

d.

will remain constant at 12.05 V

Discuss
Answer: (b).will vary between 12.05 and 12.65 V
Q100.
The transistor of following figure in Si diode with a base current of 40 ฮผA and ICBO = 0, if VBB = 6V, RE = 2 kฮฉ and ฮฒ = 90, IBQ = 20 ฮผA then IEQ =

a.

1800 ฮผA

b.

180 ฮผA

c.

2000 ฮผA

d.

3000 ฮผA

Discuss
Answer: (a).1800 ฮผA
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