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 81 of 103

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Q801.
The slope of the transfer characteristics of an N-channel JFET is

a.

positive

b.

negative

c.

constantly varying

d.

zero

Discuss
Answer: (b).negative
Q802.
In a current mirror

a.

the i - v curve of compensating diode is similar to collector curve of transistor

b.

the i - v curve of compensating diode is similar to transconductance curve of transistor

c.

either (a) or (b)

d.

neither (a) nor (b)

Discuss
Answer: (b).the i - v curve of compensating diode is similar to transconductance curve of transistor
Q803.
In which of the following circuits is op-amp used in open loop configuration?

a.

Comparator

b.

Summing amplifier

c.

Integrating amplifier

d.

Logarithmic amplifier

Discuss
Answer: (a).Comparator
Q804.
In a diode rectifier with a capacitance input filter, a surge current is likely to flow when the circuit is switched on. The cause of this surge current is

a.

the non linear behaviour of diodes

b.

the capacitor acts as a short circuit at the instant of switching,

c.

the inductance of leads

d.

both (a) and (b)

Discuss
Answer: (b).the capacitor acts as a short circuit at the instant of switching,
Q805.
In deriving ac equivalent circuit for an amplifier circuit we short circuit

a.

all resistors

b.

all transistors

c.

all inductors

d.

all capacitors

Discuss
Answer: (d).all capacitors
Q806.
Which of the following statements is false?

a.

Push pull signals are equal and opposite in phase

b.

Class AB operation cannot be used for a push pull audio power output phase

c.

A push pull output transformer has a centre-tapped primary

d.

All of the above

Discuss
Answer: (b).Class AB operation cannot be used for a push pull audio power output phase
Q807.
Which of the following amplifier circuit using junction transistor has the best gain?

a.

Common base

b.

Common emitter

c.

Common collector

d.

All have the same gain

Discuss
Answer: (b).Common emitter
Q808.
In an op-amp differentiator

a.

the amplitude of output is proportional to rate of change of input

b.

the amplitude of output is proportional to input

c.

output occurs when input is finite and constant

d.

polarity of input and output is the same

Discuss
Answer: (a).the amplitude of output is proportional to rate of change of input
Q809.
In switching devices, gold doping is used to

a.

improve bonding

b.

reduce storage time

c.

increase the mobility of the carrier

d.

protect the terminals against cooperation

Discuss
Answer: (b).reduce storage time
Q810.
Assertion (A): If power gain doubles the power gain increases by 3 dB

Reason (R): The bel power gain of cascaded stages is equal to sum of each bel power 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: (a).Both A and R are correct and R is correct explanation for A
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