Power Electronics What happen due to high di / dt? Insulation failure. Local hot spot. Breakdown of junction. None of these. Insulation failure. Local hot spot. Breakdown of junction. 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 6000 A. 2121.32 A. 4242.64 A. 1500 A. 6000 A. 2121.32 A. 4242.64 A. 1500 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics In forward blocking mode of a thyristor junction J2 is in reverse bias and J1, J3 is in forward bias. Junction J1 and J2 is in forward bias and J3 is in reverse bias. Junction J1, J3 is in reverse bias and J2 is in forward bias. junction J3 is in forward bias and J1, J2 is in reverse bias. junction J2 is in reverse bias and J1, J3 is in forward bias. Junction J1 and J2 is in forward bias and J3 is in reverse bias. Junction J1, J3 is in reverse bias and J2 is in forward bias. junction J3 is in forward bias and J1, J2 is in reverse bias. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Rise time is defined by the interval when both B and C. gate current rises from 90 % to 100 % of it final value. anode current rises 10 % to 90 % of its final value. anode voltage drops from 90 % to 10 % of its initial value. both B and C. gate current rises from 90 % to 100 % of it final value. anode current rises 10 % to 90 % of its final value. anode voltage drops from 90 % to 10 % of its initial value. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Typical range of thyristor turn OFF time is 3 - 50 µs. 3 - 100 µs. 3 - 500 µs. 3 - 10 µs. 3 - 50 µs. 3 - 100 µs. 3 - 500 µs. 3 - 10 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the temperature increases, the inter-base resistance (RBB) of a UJT ___________. None of these Decreases Increases Remains the same None of these Decreases Increases Remains the same ANSWER DOWNLOAD EXAMIANS APP
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