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 45 of 103

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Q441.
The ac collector current is nearly equal to

a.

ac base current

b.

ac signal current

c.

ac supply current

d.

ac emitter current

Discuss
Answer: (d).ac emitter current
Q442.
From a measurement of the rise time of the output pulse of an amplifier whose input is a small amplitude square wave, one can estimate the following parameter of the amplifier

a.

gain bandwidth product

b.

slew rate

c.

upper 3 dB frequency

d.

lower 3 dB frequency

Discuss
Answer: (c).upper 3 dB frequency
Q443.
In an amplifier, if the output current flows for 120° of the input cycle, the class of amplifier will be

a.

A

b.

B

c.

C

d.

AB

Discuss
Answer: (c).C
Q444.
Assertion (A): If we overdrive an amplifier the output signal may get clipped

Reason (R): To dissipate heat to atmosphere a heat sink is sometimes attached to the case of transistor

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
Q445.
Which op-amp circuit uses a diode as one of the circuit components?

a.

Integrating amplifier

b.

Differentiating amplifier

c.

Logarithmic amplifier

d.

Summing amplifier

Discuss
Answer: (c).Logarithmic amplifier
Q446.
Tuned amplifiers are used at radio frequencies.

a.

True

b.

False

c.

May be True or False

d.

can't say

Discuss
Answer: (a).True
Q447.
The knee voltages in silicon and germanium diodes respectively are

a.

0.3 V and 0.7 V

b.

0.7 V and 0.3 V

c.

0.7 V each

d.

0.3 V each

Discuss
Answer: (b).0.7 V and 0.3 V
Q448.
In calculating input impedance, the load impedance is considered to be connected at the output.

a.

True

b.

False

c.

May be True or False

d.

can't say

Discuss
Answer: (a).True
Q449.
In a transistor ฮฒdc is likely to vary between 100 and 400. The proper value of ฮฒdc to be used to located Q point is

a.

100

b.

400

c.

250

d.

200

Discuss
Answer: (d).200
Q450.
Which of the following noise becomes of great importance at high frequencies?

a.

Shot noise

b.

Agitation noise

c.

Flicker noise

d.

Transit time noise

Discuss
Answer: (d).Transit time noise
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