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 20 of 103

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Q191.
Assertion (A): In an RC coupled amplifier the junction capacitances can be neglected at low frequencies but not at high frequencies

Reason (R): Capacitive reactance is inversely proportional to frequency.

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
Q192.
In a full wave rectifier circuit using centre tapped transformer, the peak voltage across half of the secondary winding is 30 V. Then PIV is

a.

30 V

b.

60 V

c.

15 V

d.

10 V

Discuss
Answer: (b).60 V
Q193.
A class C amplifier has input frequency of 200 kHz. If width of collector pulses is 0.1 ฮผs, duty cycle is

a.

1%

b.

2%

c.

10%

d.

20%

Discuss
Answer: (b).2%
Q194.
Output of a phase splitter is

a.

a pair of sine waves of unequal amplitude

b.

a pair of sine waves of equal amplitudes

c.

a pair of sine waves of equal amplitudes and opposite phase

d.

a pair of sine waves of unequal amplitudes and opposite phase

Discuss
Answer: (c).a pair of sine waves of equal amplitudes and opposite phase
Q195.
In a transistor the minimum and maximum values of ฮฒdc are 100 and 121. The proper value of ฮฒdc to be used to locate Q point is

a.

100

b.

121

c.

110.5

d.

110

Discuss
Answer: (d).110
Q196.
The input to an op-amp integrating amplifier is a constant voltage. The output will be

a.

a constant voltage

b.

a sawtooth wave

c.

a ramp

d.

ac voltage

Discuss
Answer: (d).ac voltage
Q197.
FET amplifier is more difficult to analyse than BJT amplifier.

a.

True

b.

False

c.

May be True or False

d.

can't say

Discuss
Answer: (b).False
Q198.
If an amplifier with gain of - 100 and feedback of ฮฒ = - 0.1 has a gain change of 20% due to temperature the change in gain of the feedback amplifier will be

a.

0.02%

b.

2%

c.

0.1%

d.

0.01%

Discuss
Answer: (b).2%
Q199.
A voltage gain of a CE amplifier connected in collector to base configuration is 50. Collector to base resistor RF = 1 kฮฉ, RC = 4ฮฉ, the O/P resistance R0 =?

a.

800 ฮฉ

b.

813 ฮฉ

c.

817 ฮฉ

d.

819 ฮฉ

Discuss
Answer: (b).813 ฮฉ
Q200.
A voltage multiplier circuit, using diodes and capacitors is suitable for

a.

high voltage high current device

b.

high voltage low current device

c.

low voltage low current device

d.

low voltage high current device

Discuss
Answer: (b).high voltage low current device
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