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 51 of 103

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Q501.
In figure if C is replaced by short circuit then RB will be

a.

425 K

b.

412 K

c.

474 K

d.

400 K

Discuss
Answer: (c).474 K
Q502.
In the circuit figure LED will be on when v1 is

a.

less than 6 V

b.

more than 6 V

c.

less than 12 V

d.

more than 12 V

Discuss
Answer: (b).more than 6 V
Q503.
A Hartley oscillator uses

a.

a tapped inductor

b.

a tapped capacitor

c.

both (a) and (b)

d.

neither (a) nor (b)

Discuss
Answer: (a).a tapped inductor
Q504.
A silicon PN junction diode under reverse bias has depletion region of width 10 ฮผm. The relative permittivity of silicon, ฦr = 11.7 and the permittivity of free space ฦโ‚€ = 8.85 x 10¯¹² F/m. The depletion capacitance of the diode per square meter is

a.

100 ฮผF

b.

10 ฮผF

c.

1 ฮผF

d.

20 ฮผF

Discuss
Answer: (b).10 ฮผF
Q505.
A delay equalizer is a

a.

low pass filter

b.

band pass filter

c.

all pass filter

d.

high pass filter

Discuss
Answer: (b).band pass filter
Q506.
A cascade amplifier stage is equivalent to

a.

common emitter stage followed by a common base stage

b.

common base stage followed by an emitter follower

c.

an emitter follower stage followed by a common base stage

d.

a common base stage followed by a common emitter stage

Discuss
Answer: (a).common emitter stage followed by a common base stage
Q507.
Which one of the following devices is not used as the controller in a stabilizer?

a.

DIAC

b.

TRIAC

c.

SCR

d.

Power transistor

Discuss
Answer: (a).DIAC
Q508.
The disadvantage of transformer coupling in amplifier is

a.

cost of transformer at audio frequencies

b.

size of transformer at audio frequencies

c.

size of transformer at radio frequencies

d.

cost and size of transformer at audio frequencies

Discuss
Answer: (d).cost and size of transformer at audio frequencies
Q509.
A transistor is said to be in a quiescent state when

a.

the amplitude of input and output signal is equal

b.

the phase of input and output signal is identical

c.

no signal is applied to the input

d.

the transistor is unbiased

Discuss
Answer: (c).no signal is applied to the input
Q510.
According to Barkhausen criteria in order to sustain the oscillations

a.

loop gain of the circuit must be negligible

b.

loop gain of the circuit must be equal to unity

c.

the phase shift around the circuit must be 180°

d.

none of the above

Discuss
Answer: (c).the phase shift around the circuit must be 180°
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