MCQs: If the firing angle becomes negative, then the rectifier begins to work as_______________?
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MCQs: In a 3 phase half wave rectifier, when firing angle is less than 90 degree, then the average dc output voltage becomes__________________?
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MCQs: Transformer utilization factor is a measure of the merit of a rectifier circuit. It is the ratio of_______________?
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MCQs: A carrier based PWM technique in CSI is composed of____________?
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MCQs: In a square – wave operation of 3 phase CSIs, the power values are on for___________?
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MCQs: Ripple factor is the ratio of______________________?
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MCQs: Form factor of a rectifier is the ratio of ______________?
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MCQs: Silicon controlled rectifier can be turned on____________?
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MCQs: TRIAC is a semiconductor power electronic device which contains____________?
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MCQs: The curve between V and I of SCR when anode is positive w.r.t cathode and when anode is negative w.r.t cathode are known as_____________________?
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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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