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 50 of 82

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Q491.
An amplifier with resistive -ve feedback has two left poles in its open loop transfer function. The amplifier
Discuss
Answer: (b).will be stable for all frequencies
Q492.
Amplification of ultrasonic waves is possible in a piezoelectric semiconductor under applied electric field. The basic phenomenon involved is known as
Discuss
Answer: (c).acousto-electric interaction
Q493.
For a junction FET in the pinch off region, as the drain voltage is increased, the drain current
Discuss
Answer: (d).remains constant
Discuss
Answer: (d).IC < ฮฒIB
Q495.
In which mode of BJT operation are both junctions reverse biased?
Discuss
Answer: (c).Cut off
Q496.
In a bipolar transistor, the emitter base junction has
Discuss
Answer: (a).forward bias
Q497.
Which of these has semi-conductor metal junction?
Discuss
Answer: (d).Schottky diode
Q498.
The ripple factor of power supply is a measure of
Discuss
Answer: (d).purity of power output
Q499.
The product kT (where k is Boltzmann's constant and T is absolute temperature) at room temperature is about
Discuss
Answer: (b).0.026 eV
Discuss
Answer: (a).the probability of finding an occupied quantum state of energy higher than EF is zero