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 17 of 82

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Q161.
Spot the odd one out
Discuss
Answer: (c).porcelain
Q162.
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
Q164.
The maximum rectification efficiency in case of full wave rectifier is
Discuss
Answer: (b).81.2%
Q165.
For a full wave bridge rectifier supplied with 50 Hz a.c., the lowest ripple frequency will be
Discuss
Answer: (b).100 Hz
Q166.
When an electron rises through a potential of 100 V it will acquired an energy of
Discuss
Answer: (a).100 eV
Q167.
Which one of the following gain equations is correct for a MOSFET common-source amplifier?

(gm is mutual conductance, and RD is load resistance at the drain)
Discuss
Answer: (b).AV = gm/RD
Q168.
If 1 kVA transformer is used for all of the following rectifiers, the d.c. power availability will be least in case of
Discuss
Answer: (d).three phase full wave rectifier
Q169.
Which of the following is used for generating time varying wave forms?
Discuss
Answer: (d).UJT
Q170.
Calculate the resistivity of n-type semiconductor from the following data, Density of holes = 5 x 10¹² cm¯³. Density of electrons = 8 x 10¹³ cm¯³, mobility of conduction electron = 2.3 x 10โด cm²/ V-sec and mobility of holes = 100 cm²/V-sec.
Discuss
Answer: (b).0.34 ฮฉ-m