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 27 of 42

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Discuss
Answer: (c).a resistor and capacitor in series connected across thyristor
Discuss
Answer: (a).decrease the output voltage
Discuss
Answer: (b).SCR is clamped between two disc shaped heat sinks
Q264.
Assertion (A): Thyristors can be used in controlled heating, excitation systems of alternators, speed control of motors and HVDC

Reason (R): A static var system using thyristors is very commonly used in high voltage ac systems.
Discuss
Answer: (b).Both A and R correct but R is not correct explanation of A
Q265.
In a dual converter operated in circulating current mode, the circulating current flows
Discuss
Answer: (c).even when load current is zero
Q266.
A class B chopper operates in third quadrant.
Discuss
Answer: (b).False
Discuss
Answer: (c).the waveshapes of output voltage is square but the waveshape of load current is nearly sinusoidal
Q268.
In a single phase half wave ac regulator feeding a resistive load, the rms load current
Discuss
Answer: (a).is always positive
Discuss
Answer: (a).the output frequency is equal to frequency of reference signal
Q270.
In a modified series inverter with two inductors and two capacitors, the load current
Discuss
Answer: (a).has 2 parallel paths