Power Electronics A Triac has three terminals viz ___________ Cathode, anode, gate None of these Two main terminal and a gate terminal Drain, source, gate Cathode, anode, gate None of these Two main terminal and a gate terminal Drain, source, gate ANSWER DOWNLOAD EXAMIANS APP
Power Electronics 60 thyrsistors are connected in series and parallel to form a 10 KV and 5.5 KA switch. Each thyristor is rated for 1.2 KV, 1 KA. The no. of parallel path are 6. The efficiency of the switch is 90.9 %. 91.6 %. 76.3 %. 83.3 %. 90.9 %. 91.6 %. 76.3 %. 83.3 %. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The turn-on time of an SCR with inductive load is 20 µs. The puls train frequency is 2.5 KHz with a mark/space ratio of 1/10, then SCR will Turn on if pulse frequency us increased to two times. Not turn on. Turn on if inductance is removed. Turn on. Turn on if pulse frequency us increased to two times. Not turn on. Turn on if inductance is removed. Turn on. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics For an SCR gate cathode characteristic is a straight line of 130. For triggered source volume of 15 V and allowable gate power dissipation of 0.5 W compute the gate source resistance? 115 ohm 108 ohm 11.19 ohm 111.9 ohm 115 ohm 108 ohm 11.19 ohm 111.9 ohm ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A UJT is sometimes called ___________ diode. Low resistance Double-base High resistance Single-base Low resistance Double-base High resistance Single-base ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The normal way to turn on a diac is by ___________. Gate current None of these Gate voltage Breakover voltage Gate current None of these Gate voltage Breakover voltage ANSWER DOWNLOAD EXAMIANS APP
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