Power Electronics Under over voltage condition impedance offered by the voltage clamping device is high. low. infinity. moderate. high. low. infinity. moderate. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics To meet high current demand we use SCRs in both B and C. anti parallel connection. series connection. parallel connection. both B and C. anti parallel connection. series connection. parallel connection. 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. all of these. anode current reaches 10 % from forward leakage current. gate current increases from 90 % to 100 % of its final value. anode voltage drops from 100 % to 90 % of its actual value. all of these. anode current reaches 10 % from forward leakage current. gate current increases from 90 % to 100 % of its final value. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Anode current in an SCR consists of holes only. either electron or holes. Both electron and holes. electrons only. holes only. either electron or holes. Both electron and holes. electrons only. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac is equivalent to two SCRs ___________. In inverse-parallel In parallel In series None of these In inverse-parallel In parallel In series None of these 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 50 Hz frequency Frequencies above 20 kHz Frequencies less than 10 Hz Frequencies above 1000 kHz 50 Hz frequency Frequencies above 20 kHz ANSWER DOWNLOAD EXAMIANS APP
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