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 Transistor UJT None of these SCR Transistor UJT None of these SCR 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. 300 µs. 200 µs. 100 µs. 150 µs. 300 µs. 200 µs. 100 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac has ___________ terminals. None of these Four Two Three None of these Four Two Three ANSWER DOWNLOAD EXAMIANS APP
Power Electronics After proper turn on of thyristor gate signal must be removed. gate signal is always present. None of these gate signal should present but can be removed. gate signal must be removed. gate signal is always present. None of these gate signal should present but can be removed. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Maximum di / dt in a SCR is directly proportional to Vm of supply voltage. both A and C. inversely proportional to L in the circuit. inversely proportional to Vm of supply voltage. directly proportional to Vm of supply voltage. both A and C. inversely proportional to L in the circuit. inversely proportional to Vm of supply voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the temperature increases, the inter-base resistance (RBB) of a UJT ___________. Decreases Remains the same None of these Increases Decreases Remains the same None of these Increases ANSWER DOWNLOAD EXAMIANS APP
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