Power Electronics Multiple Choice Questions and Answers for Practice

Here is the list of Power Electronics multiple choice questions and answers available online and pdf download format to practice for exams.

Power Electronics Questions with Answers

16. After peak point, the UJT operates in the ................... region

17. An SCR can be used

18. An SCR is made up of silicon because

19. Between the incoming and outgoing devices in voltage commutation

20. Between the peak point and the valley point of UJT emitter characteristics we have ....................... region

21. Double fourier series analysis of PWM is

22. During the commutation period in 3 phase converter, overlap time is

23. For a buck converter to reduce the conduction losses in diode

24. For bidirectional operation of converters

25. For similar carrier and modulating signals, the line current used in CSI is

26. For sweptfrequency measurements, the input impedance of the mismatched transmission line would vary with frequency as the electrical length ofthe transmission line would

27. Harmonics in 3 phase inverters can be reduced by using

28. In a 3 phaseCSI, if the required line output voltages are balanced and 120 degreeout of phase, then the chopping angles are used to eliminate only theharmonics at frequencies

29. In a load commutated DC - DC chopper, the capacitor has a

30. In a three phase converter, the number of notches per cycle is

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Multiple Choice Questions and Answers on Power Electronics

Power Electronics Multiple Choice Questions and Answers

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