Power Electronics Spread time is defined as the interval during which anode current rises from 90 % to its final value. anode voltage drops from 10 % of its initial value to zero. both (A) and (B). anode current rises from 10 % to 90 % of its final value. anode current rises from 90 % to its final value. anode voltage drops from 10 % of its initial value to zero. both (A) and (B). anode current rises from 10 % to 90 % of its final value. 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. Turn on if inductance is removed. Not turn on. Turn on if pulse frequency us increased to two times. Turn on. Turn on if inductance is removed. Not turn on. Turn on if pulse frequency us increased to two times. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of following devices has highest di/dt and dv/dt capability? SITH. GTO. SCR. SIT. SITH. GTO. SCR. SIT. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics ON state voltage drop across SCR lie between the range 1.5 - 2 V. 0 - 0.5 V. 1 - 1.5 V. 0.5 - 1 V. 1.5 - 2 V. 0 - 0.5 V. 1 - 1.5 V. 0.5 - 1 V. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac has ___________ terminals. Four None of these Three Two Four None of these Three Two 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 91.6 %. 83.3 %. 76.3 %. 90.9 %. 91.6 %. 83.3 %. 76.3 %. 90.9 %. ANSWER DOWNLOAD EXAMIANS APP
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