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 73 of 82

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Discuss
Answer: (d).IC < ฮฒIB
Q722.
In which mode of BJT operation are both junctions reverse biased?
Discuss
Answer: (c).Cut off
Q723.
In a bipolar transistor, the emitter base junction has
Discuss
Answer: (a).forward bias
Q724.
Which of these has semi-conductor metal junction?
Discuss
Answer: (d).Schottky diode
Q725.
The ripple factor of power supply is a measure of
Discuss
Answer: (d).purity of power output
Q726.
The product kT (where k is Boltzmann's constant and T is absolute temperature) at room temperature is about
Discuss
Answer: (b).0.026 eV
Discuss
Answer: (a).the probability of finding an occupied quantum state of energy higher than EF is zero
Discuss
Answer: (a).Pure annealed copper
Q729.
The number of valence electrons in a silicon atom is

a.

4

b.

2

c.

1

d.

0

Discuss
Answer: (a).4
Q730.
In a JFET VDS exceeds the rated value. Then it operates in
Discuss
Answer: (c).cut off region