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 34 of 82

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Discuss
Answer: (c).generation of electromagnetic radiations
Discuss
Answer: (d).periodic only if all the sinusoidals are identical in frequency and phase
Q333.
Which of the following is used as a passive component in electronic circuits?
Discuss
Answer: (b).Capacitor
Q334.
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
Discuss
Answer: (b).Both A and R are true but R is not a correct explanation of A
Discuss
Answer: (a).ferromagnetic materials
Q338.
High purity copper is obtained by
Discuss
Answer: (c).electrolytic refining
Q339.
Photo electric emission can occur only if the frequency of light is more than threshold frequency.
Discuss
Answer: (a).True
Q340.
In a JFET the width of channel is controlled by
Discuss
Answer: (a).gate voltage