Power Electronics 4 thyristors rated 200 V in series. The operating voltage of the string is 0.600 V. Derating factor of the string is 0.7. 0.75. 0.25. 0.2. 0.7. 0.75. 0.25. 0.2. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Maximum di / dt in a SCR is inversely proportional to L in the circuit. inversely proportional to Vm of supply voltage. both A and C. directly proportional to Vm of supply voltage. inversely proportional to L in the circuit. inversely proportional to Vm of supply voltage. both A and C. directly proportional to Vm of supply voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A Triac has three terminals viz ___________ None of these Cathode, anode, gate Two main terminal and a gate terminal Drain, source, gate None of these Cathode, anode, gate Two main terminal and a gate terminal Drain, source, gate ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Under normal operating condition voltage clamping device offers impedance of low value. zero value. moderate value. high value. low value. zero value. moderate value. high value. 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 UJT None of these Transistor SCR UJT None of these Transistor SCR ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A string of n parallel SCRs is operated at 72 KA, the rating of each SCR is 1 KA. If derating factor of the string is 0.1. Then calculate the value of n 60. 70. 90. 80. 60. 70. 90. 80. ANSWER DOWNLOAD EXAMIANS APP
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