Power Electronics The UJT may be used as ___________. None of these Am amplifier A sawtooth generator A rectifier None of these Am amplifier A sawtooth generator A rectifier ANSWER DOWNLOAD EXAMIANS APP
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 SCR None of these UJT Transistor SCR None of these UJT Transistor ANSWER DOWNLOAD EXAMIANS APP
Power Electronics 60 thyrsistors are connected in series and parallel to form a 10 KV and 5.5 KA switch. Each thyristor is rated for 1.2 KV, 1 KA. The no. of parallel path are 6. The efficiency of the switch is 91.6 %. 83.3 %. 90.9 %. 76.3 %. 91.6 %. 83.3 %. 90.9 %. 76.3 %. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Snubber circuit is used with SCR in parallel. either series or parallel. anti parallel. in series. in parallel. either series or parallel. anti parallel. in series. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A string of n parallel SCRs is operated at 72 KA, the rating of each SCR is 1 KA. If derating factor of the string is 0.1. Then calculate the value of n 70. 80. 90. 60. 70. 80. 90. 60. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics If a latching current for the circuit shown in figure is 2 mA. Obtain the value of minimum width of the property turn ON the SCR? 3 µs. 3.2 µs 3.3 µs 3.1 µs 3 µs. 3.2 µs 3.3 µs 3.1 µs ANSWER DOWNLOAD EXAMIANS APP