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 16 of 42

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Q151.
The two modes of operation of three phase bridge inverters are known as
Discuss
Answer: (c).120° mode and 180° mode
Discuss
Answer: (d).an inductance in series with SCR
Discuss
Answer: (a).the commutating capacitor C is across the primary of transformer and the load is across the secondary
Q154.
A silicon controlled switch has :
Discuss
Answer: (c).4 leads
Q155.
A dc chopper V = 500 V feeds an electric fraction dc series motor. The chopping frequency is 400 Hz. The series inductance required to limit the maximum current swing to 10 A is
Discuss
Answer: (b).about 31 mH
Q156.
A single phase fully controlled bridge rectifier is fed by a source having inductance. The output voltage during overlap period is
Discuss
Answer: (c).zero
Q157.
A single phase half wave converter is used to charge a battery of 50 V. The thyristor is continuously fired by dc signal. Input voltage is v = Vm sin ฯ‰t. The thyristor will conduct
Discuss
Answer: (b).when v > 50 V
Discuss
Answer: (b).3 times the line frequency
Discuss
Answer: (c).12 pulse converters
Q160.
A single phase full converter gives maximum and minimum output voltage at firing angles of
Discuss
Answer: (a).0 and 180° respectively