Power Electronics Which of the following is disadvantage of fast recovery diodes? Recovery is only 5 µs. Recovery is only 50 µs. Doping is carried out. None of these. Recovery is only 5 µs. Recovery is only 50 µs. Doping is carried out. None of these. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics CB used for over current protection of thyristor operates when the fault current is of short duration. both (A) and (B). neither (A) nor (B). of long period. of short duration. both (A) and (B). neither (A) nor (B). of long period. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is turned on by ___________. A breakover voltage None of these Gate current Gate voltage A breakover voltage None of these Gate current Gate voltage ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of following devices has highest di/dt and dv/dt capability? SITH. SCR. GTO. SIT. SITH. SCR. GTO. SIT. 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 Which of the following is used in heat sink? Aluminium. Silver. Carbon. Iron. Aluminium. Silver. Carbon. Iron. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS