Power Electronics MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Power Electronics, 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 Power Electronics 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 Power Electronics mcq questions that explore various aspects of Power Electronics problems. Each MCQ is crafted to challenge your understanding of Power Electronics 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 Power Electronics 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 Power Electronics. 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 Power Electronics knowledge to the test? Let's get started with our carefully curated MCQs!

Power Electronics MCQs | Page 41 of 42

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Q401.
In a 3 phase semiconverter, the output voltage becomes discontinuous for
Discuss
Answer: (b).firing angle > 60°
Q402.
In integral cycle control of ac regulator, the input power factor is equal to
Discuss
Answer: (c).โˆšฮฑ
Discuss
Answer: (a).auxiliary commutation
Q404.
A fully controlled bridge converter feeds a highly inductive load such that the load current can be assumed to be constant. The wave shape of input current is
Discuss
Answer: (c).rectangular
Discuss
Answer: (a).transformer and thyristors
Q406.
The application of gate signal decreases the break over voltage of on SCR.
Discuss
Answer: (a).True
Q407.
The power factor at the input terminals of a cyclo- converter is generally
Discuss
Answer: (b).low and lagging
Q408.
The characteristics of which device has peak point and valley point
Discuss
Answer: (b).PUT
Q409.
In brushless excitation system of modern alternators, the main exciter is
Discuss
Answer: (b).ac generator
Q410.
The two-transistor model of a thyristor consists of two transistors :
Discuss
Answer: (a).one n-p-n and other p-n-p