Power Electronics Rise time is defined by the interval when gate current rises from 90 % to 100 % of it final value. anode current rises 10 % to 90 % of its final value. both B and C. anode voltage drops from 90 % to 10 % of its initial value. gate current rises from 90 % to 100 % of it final value. anode current rises 10 % to 90 % of its final value. both B and C. anode voltage drops from 90 % to 10 % of its initial value. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics SCR will be turned off when anode current is < latching current but greater than holding current and gate signal is present. both (A) and (B). less than holding current. < latching current but greater than holding current and gate signal is 0. < latching current but greater than holding current and gate signal is present. both (A) and (B). less than holding current. < latching current but greater than holding current and gate signal is 0. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics After proper turn on of thyristor gate signal is always present. gate signal should present but can be removed. gate signal must be removed. None of these gate signal is always present. gate signal should present but can be removed. gate signal must be removed. None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Snubber circuit is used with SCR anti parallel. in parallel. in series. either series or parallel. anti parallel. in parallel. in series. either series or parallel. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Power transistor are type of All of above. MOSFETs. IGBTs. BJTs. All of above. MOSFETs. IGBTs. BJTs. 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 83.3 %. 91.6 %. 90.9 %. 76.3 %. 83.3 %. 91.6 %. 90.9 %. 76.3 %. ANSWER DOWNLOAD EXAMIANS APP