Power Electronics To turn on UJT, the forward bias on the emitter diode should be ___________ the peak point voltage. Less than More than Equal to None of these Less than More than Equal to None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A thyristor string is made of a no. of SCR connected in series and parallel. The string have volume and current of 11 KV and 4 KA. The voltage and current rating of available SCRs are 1800 V and 1000 A. For a string efficiency of 90 % let the number of SCRs in series and parallel are a and b respectively. Then the value of a and b will be 7, 5. 6, 4. 4, 6. 5, 7. 7, 5. 6, 4. 4, 6. 5, 7. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is used in heat sink? Silver. Aluminium. Carbon. Iron. Silver. Aluminium. Carbon. Iron. 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. 150 µs. 100 µs. 200 µs. 300 µs. 150 µs. 100 µs. 200 µs. 300 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics BCT is used for Low power phase control. High power current control. High power phase control. Low power current control. Low power phase control. High power current control. High power phase control. Low power current control. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is simply ___________. A single junction device None of these A three junction device A triac without gate terminal A single junction device None of these A three junction device A triac without gate terminal ANSWER DOWNLOAD EXAMIANS APP
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