Power Electronics Delay time is defined by the interval when anode voltage drops from 100 % to 90 % of its actual value. all of these. gate current increases from 90 % to 100 % of its final value. anode current reaches 10 % from forward leakage current. anode voltage drops from 100 % to 90 % of its actual value. all of these. gate current increases from 90 % to 100 % of its final value. anode current reaches 10 % from forward leakage current. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The V-I characteristics for a triac in the first and third quadrants are essentially identical to those of ___________ in its first quadrant Transistor UJT None of these SCR Transistor UJT None of these SCR ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The typical value of SCR for modern alternator is 1.5. 1.2. 0.5. 1.0. 1.5. 1.2. 0.5. 1.0. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics After proper turn on of thyristor None of these gate signal should present but can be removed. gate signal is always present. gate signal must be removed. None of these gate signal should present but can be removed. gate signal is always present. gate signal must be removed. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics CB used for over current protection of thyristor operates when the fault current is both (A) and (B). of long period. neither (A) nor (B). of short duration. both (A) and (B). of long period. neither (A) nor (B). of short duration. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is disadvantage of fast recovery diodes? None of these. Recovery is only 50 µs. Doping is carried out. Recovery is only 5 µs. None of these. Recovery is only 50 µs. Doping is carried out. Recovery is only 5 µs. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS