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 46 of 82

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Q451.
Greatest mobility can be expected in case of
Discuss
Answer: (c).electrons
Q452.
An enhancement mode MOSFET is off when the gate voltage is
Discuss
Answer: (c).less than threshold value
Q453.
When atoms are held together by the sharing of valence electrons
Discuss
Answer: (c).they form a covalent bond
Q454.
Thermal runaway is not possible in FET, because as the temperature of FET increases.
Discuss
Answer: (b).the transconductance increases
Discuss
Answer: (a).Intrinsic : number of electrons = number of holes
Q456.
The effect of a finite gain of operational amplifier used in an integrator is that
Discuss
Answer: (b).slope of the O/P will varied with time
Q457.
The ripple factor from a capacitor filter __________ as the load resistance __________ .
Discuss
Answer: (b).decreases, increases
Q458.
Of the various capacitances associated with a junction transistor the gain bandwidth product is affected to maximum extend by
Discuss
Answer: (d).base emitter diffusion capacitance
Q459.
Choose proper substitutes for x and y to make the following statement correct.
Tunnel diode, Avalanche photodiode are operated in x bias and y bias respectively.
Discuss
Answer: (c).x : Forward, y : Reverse
Q460.
Assertion (A): When a zener diode breakdown, occurs the voltage across it is constant.

Reason (R): The upper limit of zener current is determined by power handling capacity.
Discuss
Answer: (b).Both A and R are true but R is not a correct explanation of A