Power Electronics Rise time is defined by the interval when anode current rises 10 % to 90 % of its final value. gate current rises from 90 % to 100 % of it final value. both B and C. anode voltage drops from 90 % to 10 % of its initial value. anode current rises 10 % to 90 % of its final value. gate current rises from 90 % to 100 % of it final value. both B and C. anode voltage drops from 90 % to 10 % of its initial value. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Switching frequency of SITH is 100 KHz. 10 KHz. 5 KHz. 60 KHz. 100 KHz. 10 KHz. 5 KHz. 60 KHz. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which triggering is the most reliable? Gate triggering. dV / dt triggering. Forward voltage triggering. Thermal triggering. Gate triggering. dV / dt triggering. Forward voltage triggering. Thermal triggering. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Power electronics essentially deals with control of a.c. power at ___________. Frequencies above 1000 kHz Frequencies above 20 kHz Frequencies less than 10 Hz 50 Hz frequency Frequencies above 1000 kHz Frequencies above 20 kHz Frequencies less than 10 Hz 50 Hz frequency ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When a UJT is turned ON, the resistance between emitter terminal and lower base terminal ___________ Is decreased Is increased None of these Remains the same Is decreased Is increased None of these Remains the same ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What happen due to high di / dt? Local hot spot. Breakdown of junction. None of these. Insulation failure. Local hot spot. Breakdown of junction. None of these. Insulation failure. ANSWER DOWNLOAD EXAMIANS APP
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