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 48 of 103

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Q471.
Aperture circuit produces __________ in sample hold circuit.

a.

the total sampling time

b.

delay between the instance at which hold command is initiated and the instance at which O/P starts tracking I/P

c.

the time taken by O/P to settle within the specified 1% error band, that of the I/P

d.

time required by holding capacitor to reach upto the level close to input

Discuss
Answer: (b).delay between the instance at which hold command is initiated and the instance at which O/P starts tracking I/P
Q472.
A clipper

a.

adds a dc component to the input signal

b.

removes signal voltages above or below a specified value

c.

both (a) and (b)

d.

either (a) or (b)

Discuss
Answer: (b).removes signal voltages above or below a specified value
Q473.
In a rectifier circuit the filter capacitance is increased. Then the ripple will

a.

increase

b.

decrease

c.

remain the same

d.

either (a) or (b)

Discuss
Answer: (b).decrease
Q474.
The static characteristic of an adequately forward biased p-n junction is a straight line if the plot is of

a.

log I vs log V

b.

log I vs V

c.

I vs log V

d.

I vs V

Discuss
Answer: (b).log I vs V
Q475.
The main use of JFET with a

a.

frequency mixer

b.

source follower

c.

voltage doubler

d.

trigger

Discuss
Answer: (b).source follower
Q476.
Assertion (A): A dc stabilizer has constant output voltage irrespective of variations in input voltage and load current

Reason (R): A dc series regulator uses a zener diode across the load to stabilize the output voltage.

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: (b).Both A and R are correct but R is not correct explanation for A
Q477.
In the self biasing scheme (RF across collector to base) of BJT, S1 tends to unity by __________ RC is the collector load Resistance.

a.

increasing RF

b.

decreasing RF

c.

decreasing RF and increasing RC

d.

increasing RF and decreasing RC

Discuss
Answer: (c).decreasing RF and increasing RC
Q478.
In op-amp integrating amplifier the input is feed to

a.

inverting input

b.

non-inverting input

c.

both inverting and non-inverting input

d.

either inverting or non-inverting input

Discuss
Answer: (a).inverting input
Q479.
Transformer coupling in transistor amplifier circuits provides high efficiency, because

a.

d.c. resistance is low

b.

collector voltage is stepped up

c.

flux linkages are incomplete

d.

all of the above

Discuss
Answer: (a).d.c. resistance is low
Q480.
Two identical FETs each having parameters gm and rd are connected is parallel. The composite FET has parameters

a.

0.5 gm and 2 rd

b.

0.5 gm and 0.5 rd

c.

2 gm and 2 rd

d.

2 gm and 0.5 rd

Discuss
Answer: (d).2 gm and 0.5 rd
Page 48 of 103