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 54 of 82

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Discuss
Answer: (a).magnetic field intensity
Q532.
For insulators the energy gap is of the order of
Discuss
Answer: (d).5 to 15 eV
Q533.
When electronic emission occurs due to bombardment of high velocity electrons on a metal surface, it is called secondary emission.
Discuss
Answer: (a).True
Q534.
The reverse saturation current depends on the reverse bias.
Discuss
Answer: (b).False
Discuss
Answer: (c).the channel width and drain current will decrease
Discuss
Answer: (a).near absolute zero temperature
Discuss
Answer: (b).reverse biasing of the base collector junction
Q538.
At absolute zero temperature a semiconductor behaves like
Discuss
Answer: (a).an insulator
Q539.
In a 741 OP-amp, there is 20 dB/decade fall-off starting at a relatively low frequency. This is due to
Discuss
Answer: (d).power dissipation in the chip
Q540.
The current due to thermionic emission is given by Richardson Dushman equation.
Discuss
Answer: (a).True