Power Electronics After peak point, the UJT operates in the ___________ region. Saturation Cut-off None of these Negative resistance Saturation Cut-off None of these Negative resistance ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The typical time of rising time lies between 10 - 20 µs. 1 - 4 µs. 40 - 60 µs. 90 - 100 µs. 10 - 20 µs. 1 - 4 µs. 40 - 60 µs. 90 - 100 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics During which time maximum conduction spreading take place in the thyristor during turn ON? Same for every case. Rise time. Delay time. Spread time. Same for every case. Rise time. Delay time. Spread time. 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 The device that exhibits negative resistance region is ___________. Diac UJT Triac Transistor Diac UJT Triac Transistor 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. 100 µs. 300 µs. 200 µs. 150 µs. 100 µs. 300 µs. 200 µs. 150 µs. ANSWER DOWNLOAD EXAMIANS APP