Power Electronics The reverse recovery time of diode is trr = 3 μs and the rate off all of the diode current is di/dt = 30 A/μs. The storage charge current QRR is 130 μs. 140 μs. 135 μs. 145 μs. 130 μs. 140 μs. 135 μs. 145 μs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What may happen high dV / dt? Both A and B. Anyone of these. Unwanted turn ON. Breakdown of J2 junction. Both A and B. Anyone of these. Unwanted turn ON. Breakdown of J2 junction. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the temperature increases, the intrinsic stand off ratio ___________. None of these Increases Decreases Essentially remains the same None of these Increases Decreases Essentially remains the same ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Power electronics essentially deals with control of a.c. power at ___________. 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 Frequencies above 1000 kHz ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A step up chopper has input voltage 110 V and output voltage 150 V. The value of duty cycle is 0.32. 0.27. 0.67. 0.45. 0.32. 0.27. 0.67. 0.45. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Spread time is defined as the interval during which anode voltage drops from 10 % of its initial value to zero. anode current rises from 90 % to its final value. anode current rises from 10 % to 90 % of its final value. both (A) and (B). anode voltage drops from 10 % of its initial value to zero. anode current rises from 90 % to its final value. anode current rises from 10 % to 90 % of its final value. both (A) and (B). ANSWER DOWNLOAD EXAMIANS APP
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