Power Electronics A Triac has three terminals viz ___________ None of these Two main terminal and a gate terminal Drain, source, gate Cathode, anode, gate None of these Two main terminal and a gate terminal Drain, source, gate Cathode, anode, gate ANSWER DOWNLOAD EXAMIANS APP
Power Electronics An SCR has half cycle surge current rating of 3000 A for 50 Hz supply. One cycle surge current will be 1500 A. 4242.64 A. 2121.32 A. 6000 A. 1500 A. 4242.64 A. 2121.32 A. 6000 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics To meet high current demand we use SCRs in anti parallel connection. both B and C. parallel connection. series connection. anti parallel connection. both B and C. parallel connection. series connection. 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. 200 µs. 300 µs. 100 µs. 150 µs. 200 µs. 300 µs. 100 µs. 150 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics After proper turn on of thyristor gate signal is always present. None of these gate signal must be removed. gate signal should present but can be removed. gate signal is always present. None of these gate signal must be removed. gate signal should present but can be removed. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Leakage current flows through the thyristor in forward blocking mode. reverse blocking mode. both forward and reverse blocking mode. forward conduction mode. forward blocking mode. reverse blocking mode. both forward and reverse blocking mode. forward conduction mode. ANSWER DOWNLOAD EXAMIANS APP