Power Electronics Thyristor can be protected from over voltages by using fuse. voltage clamping device. snubber circuit. heat sink. fuse. voltage clamping device. snubber circuit. heat sink. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is simply ___________. None of these A single junction device A three junction device A triac without gate terminal None of these A single junction device A three junction device A triac without gate terminal ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the temperature increases, the intrinsic stand off ratio ___________. None of these Decreases Increases Essentially remains the same None of these Decreases Increases Essentially remains the same 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 91.6 %. 83.3 %. 90.9 %. 76.3 %. 91.6 %. 83.3 %. 90.9 %. 76.3 %. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of following is normally ON device SIT. IGBT. TRIAC. BJT. SIT. IGBT. TRIAC. BJT. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Latching current for an SCR inserted between a dc voltage source of 200 V and load is 100 mA. Compute the minimum rate of width pulse required to turn ON the SCR in case load consists of R = 20 Ω in series with L = 0.2 H. 150 µs. 300 µs. 100 µs. 200 µs. 150 µs. 300 µs. 100 µs. 200 µs. ANSWER DOWNLOAD EXAMIANS APP