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Power Electronics MCQs | Page - 24
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. 231) The phenomenon of overlap in converter operation due to
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Q. 232) An SCR is triggered at 40° in the positive half cycle only. The average anode current is 50 A. If the firing angle is changed to 80°, the average anode current is likely to be
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Q. 233) In a single phase full wave regulator, the firing angles in the positive and negative half cycles are generally
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Q. 234) Current derating may be necessary when thyristors are operating in
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Q. 235) A 3 kV circuit uses SCR of 800 V rating. If derating is 25%, the number of SCRs in series is
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Q. 236) The terminals of a power MOSFET are called
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Q. 237) In a thyristor the gate current is increased, then
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Q. 238) Thyristors are not suitable for logic circuits.
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Q. 239) The number of leads in an SCR are :
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Q. 240) A thyristor has a turn on time of 6 μs. If the anode circuit is inductive, the turn on time will be
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