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 64 of 82

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Q631.
Piezoelectric materials serves as a source of
Discuss
Answer: (b).ultrasonic waves
Q632.
Pentavalent impurity creates n type semiconductor.
Discuss
Answer: (a).True
Discuss
Answer: (a).both junctions are forward biased
Q634.
Indium, aluminium, arsenic are all p type impurities.
Discuss
Answer: (b).False
Discuss
Answer: (d).energy of the atom is increased
Discuss
Answer: (c).lies between the valence band and the conduction band
Q637.
In commercial electron tubes the current produced by the cathode at 1000 K is about
Discuss
Answer: (b).0.1 A per cm² of cathode surface
Q638.
In a conductor the conduction and valence bands overlap
Discuss
Answer: (a).True
Q639.
In which of the following device electrons will be the majority carriers?
Discuss
Answer: (d).P-N-P transistor
Discuss
Answer: (a).maximum for VGS = 0 and minimum for VGS negative and large