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 48 of 82

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Q471.
Dielectric loss due to polarisation occurs in
Discuss
Answer: (a).bipolar dielectrics
Q472.
A metal loses electrons at room temperature.
Discuss
Answer: (b).False
Q473.
Consider the following statement associated with bipolar junction transistor and JFET

1. The former has higher input impedance than the later
2. The former has higher frequency stability than the later
3. The later has lower noise figure than the former
4. The later has higher power rating than the former

Of these statements
Discuss
Answer: (b).2 and 3 are correct
Q474.
The turn off time of a bipolar transistor is about
Discuss
Answer: (c).70 ns
Discuss
Answer: (d).grain orientation of material
Q476.
In a bipolar transistor, emitter efficiency is about
Discuss
Answer: (a).0.99
Q477.
For signal diodes the PIV rating is usually in the range
Discuss
Answer: (c).30 V to 150V
Q478.
The potential of suppressor grid (with respect to cathode) is usually
Discuss
Answer: (a).zero
Q479.
Photoelectric effect occurs only in semiconductors and not in metals.
Discuss
Answer: (b).False
Q480.
Which of these has peak and valley points in v-i curve?
Discuss
Answer: (a).Tunnel diode