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 16 of 103

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Q151.
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
Q152.
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°
Q153.
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
Q154.
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
Q155.
Figure shows a zener circuit and characteristic of the zener used. If R2 is the lowest load resistance, then for proper voltage regulation R1 must be

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q156.
In figure, VC is approximately equal to

a.

2 V

b.

4.6 V

c.

8 V

d.

7.6 V

Discuss
Answer: (c).8 V
Q157.
Figure shows small signal model of CB amplifier circuit. Then I and R are respectively equal to

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q158.
Figure represents a

a.

JFET shunt switching circuit

b.

JFET series switching circuit

c.

JFET analog switch

d.

multiplexing

Discuss
Answer: (a).JFET shunt switching circuit
Q159.
In figure VBE = 0.7 V. If base current required to saturate the transistor is 0.1 mA, Vi =

a.

5 V

b.

5.7 V

c.

10 V

d.

10.7 V

Discuss
Answer: (b).5.7 V
Q160.
As per miller theorem the circuit of figure (1) can be replaced by that in figure (2) If V1/V2 = K, then Y1 and Y2 are equal to

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
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