Power Electronics For an SCR gate cathode characteristic is a straight line of 130. For triggered source volume of 15 V and allowable gate power dissipation of 0.5 W compute the gate source resistance? 115 ohm 111.9 ohm 108 ohm 11.19 ohm 115 ohm 111.9 ohm 108 ohm 11.19 ohm ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Rise time is defined by the interval when anode voltage drops from 90 % to 10 % of its initial value. gate current rises from 90 % to 100 % of it final value. both B and C. anode current rises 10 % to 90 % of its final value. anode voltage drops from 90 % to 10 % of its initial value. gate current rises from 90 % to 100 % of it final value. both B and C. anode current rises 10 % to 90 % of its final value. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac is equivalent to two SCRs ___________. In parallel In inverse-parallel None of these In series In parallel In inverse-parallel None of these In series ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Typical range of thyristor turn OFF time is 3 - 50 µs. 3 - 10 µs. 3 - 100 µs. 3 - 500 µs. 3 - 50 µs. 3 - 10 µs. 3 - 100 µs. 3 - 500 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Power electronics essentially deals with control of a.c. power at ___________. Frequencies less than 10 Hz Frequencies above 1000 kHz Frequencies above 20 kHz 50 Hz frequency Frequencies less than 10 Hz Frequencies above 1000 kHz Frequencies above 20 kHz 50 Hz frequency ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Anode current in an SCR consists of either electron or holes. holes only. electrons only. Both electron and holes. either electron or holes. holes only. electrons only. Both electron and holes. ANSWER DOWNLOAD EXAMIANS APP
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