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 7 of 103

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Q61.
Assuming VCE sat = 0.2 V and β = 50, the minimum base current (IB) required to drive the transistor in the given figure to saturation is

a.

56 μA

b.

140 μA

c.

60 μA

d.

3 μA

Discuss
Answer: (a).56 μA
Q62.
In the op-amp circuit given in the figure, the load current iL is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q63.
In figure, secondary winding has 40 turns. For maximum power transformer to 2 ohm resistance the number of turns in primary is

a.

20

b.

40

c.

80

d.

160

Discuss
Answer: (c).80
Q64.
In figure if the transistor is cut off, the collector voltage is equal to

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q65.
In figure, D1 turns on when

a.

vi is more than V1

b.

vi is less than V1

c.

vi is between V1 and V2

d.

none of the above

Discuss
Answer: (a).vi is more than V1
Q66.
In the circuit of figure both diodes are ideal. If v1 = 10 V and v2 = 10 V which diode will conduct?

a.

D1 only

b.

D2 only

c.

Both D1 and D2

d.

Neither D1 nor D2

Discuss
Answer: (c).Both D1 and D2
Q67.
In the circuit of the given figure, assume that the diodes are ideal and the meter is an average indicating ammeter, the ammeter will read

a.

0.4√2 A

b.

0.4 A

c.

0.8/π A

d.

0.4/π mA

Discuss
Answer: (d).0.4/π mA
Q68.
In the following figure C = 0.02 μF, and Vth is known to be of frequency ω = 10⁷ rad/sec and rd = 2.5 Ω and ZTh = RTh = 10 Ω Then phase angle between id and Vd

a.

26.5°

b.

25°

c.

30°

d.

0°

Discuss
Answer: (a).26.5°
Q69.
In figure the cut in voltage of diode is 0.7 V and its bulk resistance is 20 Ω. The peak value of circuit current of during positive and negative half cycles are

a.

10 mA and zero

b.

9.12 mA and zero

c.

9.3 mA and zero

d.

zero and 9.12 mA

Discuss
Answer: (b).9.12 mA and zero
Q70.
In figure, VG =

a.

2.22 V

b.

22.2 V

c.

0.22 V

d.

0.022 V

Discuss
Answer: (a).2.22 V
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