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 26 of 82

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Q251.
At a P-N junction, the potential barrier is due to the charges on either side of the junction, which consists of
Discuss
Answer: (a).fixed donor and acceptor ions
Q252.
In a vacuum triode ฮผ = rpgm.
Discuss
Answer: (a).True
Q253.
The material which has zero temperature coefficient of resistance is
Discuss
Answer: (a).manganin
Q254.
When the light falling on a photodiode increases, the reverse minority current
Discuss
Answer: (a).increases
Q255.
When a ferromagnetic substance is magnetised, small changes in dimensions occur. Such a phenomenon is known as
Discuss
Answer: (c).magneto striction
Q256.
In a bipolar transistor which current is smallest
Discuss
Answer: (b).base current
Q257.
With increasing temperature, the electrical conductivity of metals
Discuss
Answer: (b).decreases
Q258.
The reverse saturation current in a semiconductor diode consists of
Discuss
Answer: (d).minority carrier current and surface leakage current
Discuss
Answer: (c).collector current to base current
Discuss
Answer: (d).resistivity of silicon will be higher than of Ge