Power Electronics The V-I characteristics for a triac in the first and third quadrants are essentially identical to those of ___________ in its first quadrant UJT None of these SCR Transistor UJT None of these SCR Transistor ANSWER DOWNLOAD EXAMIANS APP
Power Electronics 4 thyristors rated 200 V in series. The operating voltage of the string is 0.600 V. Derating factor of the string is 0.25. 0.2. 0.75. 0.7. 0.25. 0.2. 0.75. 0.7. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac has ___________ semiconductor layers. Two Three Five Four Two Three Five Four 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 2121.32 A. 4242.64 A. 6000 A. 1500 A. 2121.32 A. 4242.64 A. 6000 A. 1500 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Light triggering mainly used in low - voltage direct current transmission. all of these. high voltage direct current transmission. medium voltage direct current transmission. low - voltage direct current transmission. all of these. high voltage direct current transmission. medium voltage direct current transmission. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The capacitance of reversed bised junction J2 in a thyristor is CJ2 = 20 pF and can be assumed to be independant of the off state voltage. The limiting value of the charging current to turn on the thyristor is 16 mA. What is the critical value of dv/dt? 1200 V/µs. 800 V/µs. 1000 V/µs. 600 V/µs. 1200 V/µs. 800 V/µs. 1000 V/µs. 600 V/µs. ANSWER DOWNLOAD EXAMIANS APP