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 56 of 82

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Q551.
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
Q552.
The current due to thermionic emission is given by Richardson Dushman equation.
Discuss
Answer: (a).True
Discuss
Answer: (c).Richardson Dushman equation
Discuss
Answer: (c).emitter base junction is forward biased and base collector junction is reverse biased
Q555.
The conductivity of a semiconductor crystal due to any current carrier is not proportional to
Discuss
Answer: (a).mobility of the carrier
Q556.
A P-N junction diode dynamic conductance is directly proportional to
Discuss
Answer: (c).its current
Discuss
Answer: (b).reduce recombination rate
Q558.
In a solar cell, the photovoltaic voltages is the voltage at which the resultant current is
Discuss
Answer: (b).zero
Q559.
The forbidden energy gap between the valence band and conduction band will be wide in case of
Discuss
Answer: (d).insulators
Q560.
At 0 K the forbidden energy gap in intrinsic semi conductor is about
Discuss
Answer: (c).1 eV