Power Electronics The latching current of SCR is 20 mA. Its holding current will be 10 mA. 60 mA. 23 mA. 40 mA. 10 mA. 60 mA. 23 mA. 40 mA. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The maximum di/dt in a SCR is Inversely proportional to supply voltage. Directly proportional to supply voltage. Both A and B. Directly proportional to inductance in the circuit. Inversely proportional to supply voltage. Directly proportional to supply voltage. Both A and B. Directly proportional to inductance in the circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is ___________ switch None of these A mechanical A d.c. An c. None of these A mechanical A d.c. An c. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics An SCR is considered to be a semi controlled device because it conducts only during one half cycle of an alternating current wave. it can be turned ON only during one half cycle of an AC. it can be turned OFF but not ON with a gate pulse. it can be turned ON but not OFF with a gate pulse. it conducts only during one half cycle of an alternating current wave. it can be turned ON only during one half cycle of an AC. it can be turned OFF but not ON with a gate pulse. it can be turned ON but not OFF with a gate pulse. 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. 200 µs. 300 µs. 100 µs. 150 µs. 200 µs. 300 µs. 100 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of following devices has highest di/dt and dv/dt capability? GTO. SCR. SIT. SITH. GTO. SCR. SIT. SITH. ANSWER DOWNLOAD EXAMIANS APP