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 36 of 82

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Q351.
If a coil has diameter 'd' number of turns 'N' and form factor F then the inductance of the coil is proportional to
Discuss
Answer: (d).N²d/F
Q352.
Lowest resistivity of the following is
Discuss
Answer: (b).german silver
Discuss
Answer: (b).full wave rectifier
Q354.
In CE configuration, the output characteristics of a bipolar junction transistor is drawn between
Discuss
Answer: (c).IC and VCE
Q355.
Assertion (A): The reverse current in a p-n junction is nearly constant.

Reason (R): The reverse breakdown voltage of a p-n diode depends on the extent of doping.
Discuss
Answer: (b).Both A and R are true but R is not a correct explanation of A
Q356.
An n type semiconductor is illuminated by a steady flux of photons with energy greater than the band gap energy. The change in conductivity ฮ”ฯƒ obeys which relation?
[ Here, e is the electron charge, ฮผn electron mobility, ฮผp hole mobility, ฮ”n (ฮ”p) is the excess electron (hole) density ].
Discuss
Answer: (b).ฮ”ฯƒ = e(ฯƒn + ฯƒp) ฮ”n
Q357.
The band gap of Si at room temperature is
Discuss
Answer: (c).1.1 eV
Q358.
Spot the odd one out
Discuss
Answer: (c).porcelain
Q359.
Transition capacitance is associated with __________ and depletion capacitance is associated with __________ diodes.
Discuss
Answer: (c).reverse bias and reverse bias
Discuss
Answer: (a).opaque to the visible light