Power Electronics The typical time of rising time lies between 90 - 100 µs. 40 - 60 µs. 10 - 20 µs. 1 - 4 µs. 90 - 100 µs. 40 - 60 µs. 10 - 20 µs. 1 - 4 µs. 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. 1500 A. 4242.64 A. 6000 A. 2121.32 A. 1500 A. 4242.64 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Spread time is defined as the interval during which anode current rises from 90 % to its final value. both (A) and (B). anode current rises from 10 % to 90 % of its final value. anode voltage drops from 10 % of its initial value to zero. anode current rises from 90 % to its final value. both (A) and (B). anode current rises from 10 % to 90 % of its final value. anode voltage drops from 10 % of its initial value to zero. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When a UJT is turned ON, the resistance between emitter terminal and lower base terminal ___________ None of these Remains the same Is decreased Is increased None of these Remains the same Is decreased Is increased ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Power electronics essentially deals with control of a.c. power at ___________. Frequencies less than 10 Hz Frequencies above 20 kHz 50 Hz frequency Frequencies above 1000 kHz Frequencies less than 10 Hz Frequencies above 20 kHz 50 Hz frequency Frequencies above 1000 kHz ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The device that does not have the gate terminal is ___________. SCR Triac Diac FET SCR Triac Diac FET ANSWER DOWNLOAD EXAMIANS APP
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