Power Electronics A Triac has three terminals viz ___________ Cathode, anode, gate Two main terminal and a gate terminal None of these Drain, source, gate Cathode, anode, gate Two main terminal and a gate terminal None of these Drain, source, gate ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac can pass a portion of ___________ half-cycle through the load. Only positive Both positive and negative None of these Only negative Only positive Both positive and negative None of these Only negative ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A single phase full bridge inverter can operate in load commutation mode in case load consists of RLC underdamped. RL. RLC overdamped. RLC critically damped. RLC underdamped. RL. RLC overdamped. RLC critically damped. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is disadvantage of fast recovery diodes? Recovery is only 5 µs. Doping is carried out. None of these. Recovery is only 50 µs. Recovery is only 5 µs. Doping is carried out. None of these. Recovery is only 50 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The capacitance of reversed bised junction J2 in a thyristor is CJ2 = 20 pF and can be assumed to be independant of the off state voltage. The limiting value of the charging current to turn on the thyristor is 16 mA. What is the critical value of dv/dt? 800 V/µs. 1200 V/µs. 1000 V/µs. 600 V/µs. 800 V/µs. 1200 V/µs. 1000 V/µs. 600 V/µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A UJT has ___________. None of these Two pn junctions One pn junction Three pn junctions None of these Two pn junctions One pn junction Three pn junctions ANSWER DOWNLOAD EXAMIANS APP
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