Power Electronics Mcqs


Q.  The power demand can be estimated approximately by___________?

a. Load survey method
b. Mathematical method
c. Statistical method
d. Economic parameters


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  During gate recovery time_____________?
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MCQs:  During reverse recovery time__________________?
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MCQs:  Which of the following is true about SIT?
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MCQs:  During which time maximum conduction spreading take place in the thyristor during turn ON?
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MCQs:  A GTO can be turned on by applying___________?
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MCQs:  SITH is also known as___________?
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MCQs:  The typical time of rising time lies between______________?
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MCQs:  The reverse recovery time of diode is trr = 3 μs and the rate off all of the diode current is di/dt = 30 A/μs. The storage charge current QRR is___________?
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MCQs:  Maximum power loss occurs during_________________?
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MCQs:  Spread time is defined as the interval during which_____________?
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MCQs:  The turn-on time of an SCR with inductive load is 20 µs. The puls train frequency is 2.5 KHz with a mark/space ratio of 1/10, then SCR will___________?
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MCQs:  A power MOSFET has three terminals called___________?
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MCQs:  Rise time is defined by the interval when____________?
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MCQs:  A modern power semiconductor device that combines the characteristic of BJT and MOSFET is_____________?
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MCQs:  Delay time is defined by the interval when_______________?
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MCQs:  Which one is most suitable power device for high frequency (>100 KHz) switching application?
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MCQs:  Snubber circuit is used with SCR_________________?
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MCQs:  Why resistor is used in Snubber circuit_________________ ?
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MCQs:  What may happen high dV / dt____________?
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MCQs:  Thermal voltage VT can be given by____________?
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