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Dear candidates you will find MCQ questions of Power Electronics here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
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Q. 62) The turn-off gain βoff of the GTO is given by
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Q. 63) A GTO can be represented by two transistors T1 & T2. The current gain of both transistors are α1 and α2 respectively. A low value of gate current requires
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Q. 64) Gold doped GTOs have _____________ as compared to the conventional GTOs
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Q. 65) Latching current for the GTOs is ________ as compared to CTs (Conventional thyristors).
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Q. 66) In case of the two-transistor model (T1 & T2) of GTO with anode-short, the anode-short is placed between the
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Q. 67) Choose the correct statement: GTOs have _________ as compared to the CTs.
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Q. 68) A single-phase voltage controller, using one SCR in anti parallel with a diode, feeds a load R and Vs = 230 V. For a firing angel of 90° for the SCR, the PMMC voltage connected across R would read
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Q. 69) A single phase voltage controller has input of 230 V and a load of 15 Ω resistive. For 6 cycles on and 4 cycles off, determine the average value of SCR current.
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Q. 70) An IGBT has three terminals called:
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