Power Electronics During which time maximum conduction spreading take place in the thyristor during turn ON? Rise time. Spread time. Same for every case. Delay time. Rise time. Spread time. Same for every case. Delay time. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics ON state voltage drop across SCR lie between the range 0 - 0.5 V. 1.5 - 2 V. 1 - 1.5 V. 0.5 - 1 V. 0 - 0.5 V. 1.5 - 2 V. 1 - 1.5 V. 0.5 - 1 V. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A thyristor can termed as Both a and B. DC switch. Square wave switch. AC switch. Both a and B. DC switch. Square wave switch. AC switch. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Spread time is defined as the interval during which both (A) and (B). anode voltage drops from 10 % of its initial value to zero. anode current rises from 10 % to 90 % of its final value. anode current rises from 90 % to its final value. both (A) and (B). anode voltage drops from 10 % of its initial value to zero. anode current rises from 10 % to 90 % of its final value. anode current rises from 90 % to its final value. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The triac is ___________. A four-terminal device Not a thyristor Like a bidirectional SCR None of these A four-terminal device Not a thyristor Like a bidirectional SCR None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics An SCR has half cycle surge current rating of 3000 A for 50 Hz supply. One cycle surge current will be 1500 A. 4242.64 A. 6000 A. 2121.32 A. 1500 A. 4242.64 A. 6000 A. 2121.32 A. ANSWER DOWNLOAD EXAMIANS APP
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