Power Electronics Mcqs


Q.  A step – down choppers can be used in___________?

a. Electric traction
b. Electric vehicles
c. Machine tools
d. All of these


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  An SCR can be used___________?
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MCQs:  With gate open, the maximum anode current at which SCR is turned off from ON condition is called____________?
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MCQs:  A crowbar is a circuit which is used to protect a_____________?
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MCQs:  Bidirectional semiconductor device is___________?
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MCQs:  A full wave rectifier with resistive load produces___________?
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MCQs:  An ideal diode is___________?
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MCQs:  The input current waveform of a bridge controlled rectifier when the load is perfectly filtered is___________?
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MCQs:  The IGBT resulted in higher switching speed and lower energy losses. It can be used for___________?
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MCQs:  The advantage of using free – wheeling diode in half controlled bridge converter is that
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MCQs:  To detect an over – current fault condition, the most reliable method is to connect a_____________?
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MCQs:  Harmonics in 3 phase inverters can be reduced by using___________?
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MCQs:  The on – state voltage drop of IGBT consists of__________?
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MCQs:  The most suited gate pulses given to the AC regulator with R – L load can be in the form of____________?
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MCQs:  The maximum firing angle in the half wave controlled regulator is_____________?
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MCQs:  n a phase controlled 3 phase ac voltage controller, the harmonic present is__________?
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MCQs:  The power MOSFET device is a___________?
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MCQs:  In dual converters________________?
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MCQs:  The conduction losses in IGBT is____________?
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MCQs:  Advantages of HVDC transmission over AC system is / are____________?
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MCQs:  For bidirectional operation of converters____________?
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