Power Electronics A diac is turned on by ___________. A breakover voltage Gate current None of these Gate voltage A breakover voltage Gate current None of these Gate voltage ANSWER DOWNLOAD EXAMIANS APP
Power Electronics 60 thyrsistors are connected in series and parallel to form a 10 KV and 5.5 KA switch. Each thyristor is rated for 1.2 KV, 1 KA. The no. of parallel path are 6. The efficiency of the switch is 90.9 %. 76.3 %. 83.3 %. 91.6 %. 90.9 %. 76.3 %. 83.3 %. 91.6 %. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Anode current in an SCR consists of holes only. electrons only. either electron or holes. Both electron and holes. holes only. electrons only. either electron or holes. Both electron and holes. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Under over voltage condition impedance offered by the voltage clamping device is infinity. high. low. moderate. infinity. high. low. moderate. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect the SCR from over current ? CB and fuse. Voltage clamping device. Heat sink. Snubber circuit. CB and fuse. Voltage clamping device. Heat sink. Snubber circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the temperature increases, the intrinsic stand off ratio ___________. Essentially remains the same None of these Increases Decreases Essentially remains the same None of these Increases Decreases ANSWER DOWNLOAD EXAMIANS APP