Power Electronics A diac is simply ___________. A triac without gate terminal A three junction device A single junction device None of these A triac without gate terminal A three junction device A single junction device None of these 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. 300 µs. 200 µs. 150 µs. 100 µs. 300 µs. 200 µs. 150 µs. 100 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics BCT is used for Low power phase control. Low power current control. High power current control. High power phase control. Low power phase control. Low power current control. High power current control. High power phase control. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Practical way of obtaining static voltage equalization in series connected SCRs is by the use of one resistor in series with each SCR. one resistor across the string. resistors of the same value across each SCR. resistors of different values across each SCR. one resistor in series with each SCR. one resistor across the string. resistors of the same value across each SCR. resistors of different values across each SCR. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is ___________ switch An c. None of these A mechanical A d.c. An c. None of these A mechanical A d.c. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The turn-on time of an SCR with inductive load is 20 µs. The puls train frequency is 2.5 KHz with a mark/space ratio of 1/10, then SCR will Turn on. Turn on if inductance is removed. Turn on if pulse frequency us increased to two times. Not turn on. Turn on. Turn on if inductance is removed. Turn on if pulse frequency us increased to two times. Not turn on. ANSWER DOWNLOAD EXAMIANS APP