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 21 of 82

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Q201.
The minority carrier life time and diffusion constant in a semiconductor material are respectively 100 microsecond and 100 cm²/sec. The diffusion length is
Discuss
Answer: (a).0.1 cm
Q202.
At room temperature the current in an intrinsic semiconductor is due to
Discuss
Answer: (d).holes and electrons
Q203.
Work function is the maximum energy required by the fastest electron at 0 K to escape from the metal surface.
Discuss
Answer: (b).False
Q204.
The most commonly used semiconductor material is
Discuss
Answer: (a).silicon
Q205.
In which of these is reverse recovery time nearly zero?
Discuss
Answer: (c).Schottky diode
Q206.
The reverse breakdown voltage of a diode depends on the extent of doping.
Discuss
Answer: (a).True
Discuss
Answer: (b).decreases as the temperature increases
Q208.
The voltage at which Avalanche occurs is known as
Discuss
Answer: (c).breakdown voltage
Discuss
Answer: (a).opaque to visible light
Q210.
In intrinsic semiconductor the increase in conductivity per degree increase in temperature is about
Discuss
Answer: (b).6%