Power Electronics A step up chopper has input voltage 110 V and output voltage 150 V. The value of duty cycle is 0.27. 0.32. 0.45. 0.67. 0.27. 0.32. 0.45. 0.67. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is used in heat sink? Carbon. Silver. Iron. Aluminium. Carbon. Silver. Iron. Aluminium. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics After proper turn on of thyristor gate signal must be removed. None of these gate signal is always present. gate signal should present but can be removed. gate signal must be removed. None of these gate signal is always present. gate signal should present but can be removed. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Snubber circuit is used with SCR either series or parallel. in parallel. in series. anti parallel. either series or parallel. in parallel. in series. anti parallel. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Delay time is defined by the interval when anode voltage drops from 100 % to 90 % of its actual value. anode current reaches 10 % from forward leakage current. gate current increases from 90 % to 100 % of its final value. all of these. anode voltage drops from 100 % to 90 % of its actual value. anode current reaches 10 % from forward leakage current. gate current increases from 90 % to 100 % of its final value. all of these. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A 200 A thyristor is to be operated in parallel with a 300 A thyristor. The ON state voltage drops are 1.5 V and 1.2 Volts. What is the value of resistance R to be connected in series with each thyristor, so that current through the combination is 500 A and each of them is fully loaded ? 3.0 ohm 0.3 ohm 0.03 ohm 0.3 ohm 3.0 ohm 0.3 ohm 0.03 ohm 0.3 ohm ANSWER DOWNLOAD EXAMIANS APP
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