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.
In a voltage regulated power supply the zener operates in the breakdown region when (Vin is input voltage and Vz is zener breakdown voltage)

a.

Vin < Vz

b.

Vin > Vz

c.

Vin = Vz

d.

both (a) or (b)

Discuss
Answer: (b).Vin > Vz
Q92.
The parameter h11 for CB circuit is higher than that for CE circuit.

a.

True

b.

False

c.

May be True or False

d.

can't say

Discuss
Answer: (b).False
Q93.
Assertion (A): In CE amplifier the emitter is at ground potential for ac signals

Reason (R): A CE amplifier has near unity voltage gain

a.

Both A and R are correct and R is correct explanation for A

b.

Both A and R are correct but R is not correct explanation for A

c.

A is correct R is wrong

d.

A is wrong R is correct

Discuss
Answer: (c).A is correct R is wrong
Q94.
An oscillator requires an amplifier

a.

with negative feedback

b.

with positive feedback

c.

with either positive or negative feedback

d.

none of the above

Discuss
Answer: (b).with positive feedback
Q95.
A full wave bridge diode rectifier uses diodes having forward resistance of 50 ohms each. The load resistance is also 50 ohms. The voltage regulations is

a.

20%

b.

50%

c.

100%

d.

200%

Discuss
Answer: (d).200%
Q96.
The disadvantage of direct coupled amplifiers is

a.

drift

b.

large size of transistor

c.

low voltage gain

d.

both (b) and (c)

Discuss
Answer: (a).drift
Q97.
A transistor has a power rating of 8 W for a case temperature of 25°C. If derating factor is 30 mW/°C, the power rating for 55°C, case temperature is

a.

8 W

b.

7.5 W

c.

7.1 W

d.

6.8 W

Discuss
Answer: (c).7.1 W
Q98.
An ideal power supply has

a.

zero internal resistance

b.

very high internal resistance

c.

high output resistance

d.

both (b) and (c)

Discuss
Answer: (a).zero internal resistance
Q99.
In a self bias circuit for CE amplifier, the emitter resistance is made three times the original value. The collector current will

a.

remain the same

b.

become three times

c.

decrease

d.

become one-third

Discuss
Answer: (d).become one-third
Q100.
A P-channel MOSFET operating in the enhancement mode is characterized by Vt = - 4 V and IDQ = - 10 mA, when VGSQ = - 5.5 V, what will be VGSQ if IDQ = -15 mA and ID, on = - 16 mA

a.

- 2 V

b.

3 V

c.

0.13 V

d.

1.3 V

Discuss
Answer: (c).0.13 V
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