Power Electronics Which semiconductor device acts like a diode and two transistor? UJT. Diac. SCR. Triac. UJT. Diac. SCR. Triac. 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 Transistor None of these UJT SCR Transistor None of these UJT 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 76.3 %. 91.6 %. 83.3 %. 90.9 %. 76.3 %. 91.6 %. 83.3 %. 90.9 %. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The device that exhibits negative resistance region is ___________. Triac UJT Transistor Diac Triac UJT Transistor Diac ANSWER DOWNLOAD EXAMIANS APP
Power Electronics In forward blocking mode of a thyristor Junction J1, J3 is in reverse bias and J2 is in forward bias. Junction J1 and J2 is in forward bias and J3 is in reverse bias. junction J3 is in forward bias and J1, J2 is in reverse bias. junction J2 is in reverse bias and J1, J3 is in forward bias. Junction J1, J3 is in reverse bias and J2 is in forward bias. Junction J1 and J2 is in forward bias and J3 is in reverse bias. junction J3 is in forward bias and J1, J2 is in reverse bias. junction J2 is in reverse bias and J1, J3 is in forward bias. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Between the peak point and the valley point of UJT emitter characteristics we have ___________ region Cut-off Negative resistance None of these Saturation Cut-off Negative resistance None of these Saturation ANSWER DOWNLOAD EXAMIANS APP
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