Electronic Devices and Circuits MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Electronic Devices and Circuits, 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 Electronic Devices and Circuits 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 Electronic Devices and Circuits mcq questions that explore various aspects of Electronic Devices and Circuits problems. Each MCQ is crafted to challenge your understanding of Electronic Devices and Circuits 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 Electronic Devices and Circuits 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 Electronic Devices and Circuits. 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 Electronic Devices and Circuits knowledge to the test? Let's get started with our carefully curated MCQs!

Electronic Devices and Circuits MCQs | Page 7 of 82

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Q61.
When a ferromagnetic substance is magnetised, there are small changes in its dimensions. This phenomenon is called
Discuss
Answer: (b).magnetostriction
Discuss
Answer: (c).make silicon a direct gap semiconductor
Q63.
The dipole moment per unit volume as a function of E in the case of an insulator is given by (symbols have the usual meaning).

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q64.
The diode and the moving coil milliammeter of figure are assumed to be ideal. The meter reading is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (d).D
Q65.
The V-I characteristic of a semi-conductor diode is shown in figure. From this figure it can be concluded that
Discuss
Answer: (a).The diode is a silicon diode
Q66.
Which of the following expressions may be used to correctly describe the temperature (T) variation of the intrinsic carrier density (ni) of a semiconductor?

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (d).D
Discuss
Answer: (b).Schottky diode
Discuss
Answer: (b).terminals 1, 2, 3 are emitter, base, collector respectively
Q69.
The network shown in the figure represents a
Discuss
Answer: (a).band pass filter
Q70.
In a junction transistor biased for operation at emitter current 'IE' and collector current 'IC' the transconductance 'gm' is.

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B