Power Electronics Between the peak point and the valley point of UJT emitter characteristics we have ___________ region Negative resistance None of these Cut-off Saturation Negative resistance None of these Cut-off Saturation 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 Calculate the maximum voltage that can be safely blocked by the string shown in figure, if maximum allowable leakage current is 2 mA? 6 KV. 2 KV. 8 KV. 10 KV. 6 KV. 2 KV. 8 KV. 10 KV. 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. 150 µs. 300 µs. 200 µs. 100 µs. 150 µs. 300 µs. 200 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics SITH is also known as Filled controlled diode. Filled controlled rectifier. Silicon controlled rectifier. None of these. Filled controlled diode. Filled controlled rectifier. Silicon controlled rectifier. None of these. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics ON state voltage drop across SCR lie between the range 0.5 - 1 V. 0 - 0.5 V. 1.5 - 2 V. 1 - 1.5 V. 0.5 - 1 V. 0 - 0.5 V. 1.5 - 2 V. 1 - 1.5 V. ANSWER DOWNLOAD EXAMIANS APP