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 pulse frequency us increased to two times. Not turn on. Turn on if inductance is removed. Turn on. Turn on if pulse frequency us increased to two times. Not turn on. Turn on if inductance is removed. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which one is most suitable power device for high frequency (>100 KHz) switching application? Schottky diode. Power MOSFET. Microwave transistor. BJT. Schottky diode. Power MOSFET. Microwave transistor. BJT. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The function of snubber circuit connected across the SCR is to decrease dV / dt. decrease di / dt. suppress dV / dt. increase dV / dt. decrease dV / dt. decrease di / dt. suppress dV / dt. increase dV / dt. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of following is not a power transistor? SITS. TRIAC. IGBTs. COOLMOS. SITS. TRIAC. IGBTs. COOLMOS. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is simply ___________. None of these A triac without gate terminal A single junction device A three junction device None of these A triac without gate terminal A single junction device A three junction device ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which triggering is the most reliable? Gate triggering. dV / dt triggering. Thermal triggering. Forward voltage triggering. Gate triggering. dV / dt triggering. Thermal triggering. Forward voltage triggering. ANSWER DOWNLOAD EXAMIANS APP