MCQs: During the commutation period in 3 phase converter, overlap time is_____________?
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MCQs: The control method used for PWM dc – dc converter is______________?
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MCQs: The average value of the output voltage in a step – down dc chopper is given by__________?
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MCQs: The effects of EMI can be reduced by____________?
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MCQs: Choppers is a_______________?
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MCQs: In radiative coupling, the emitter radiation field_____________?
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MCQs: In BJT, switching losses occurs___________?
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MCQs: In BJT, the forward biased base emitter junction inject holes from base to emitter, the holes_______?
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MCQs: As the breakdown voltage reached, the DIAC exhibits?
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MCQs: DIAC are specifically designed to trigger______________?
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MCQs: Voltage commutation circuit can be converted into a current commutation by interchanging the positions of____________?
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MCQs: In a 3 phase bridge rectifier the ripple frequency is _____________?
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MCQs: In a load commutated DC – DC chopper, the capacitor has a_____________?
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MCQs: The sum of all phase current in a star connected primary winding with no neutral connection is equal to___________?
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MCQs: In current commutated DC-DC choppers, the voltage spike appears across the load when_____________?
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MCQs: For power output higher than 15 kW, the suitable rectifier is________________?
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MCQs: In a full wave rectifier, the rectification ratio is approximately equal to____________?
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MCQs: LISN is a device used to measure conducted emissions. LISN stands for_____________?
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MCQs: In a single phase full wave rectifier, during blocking state the pea inverse voltage of diode is______________?
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MCQs: A single phase ac – dc converter is also known as____________?
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