Power Electronics During gate recovery time charge carriers of J2 junction recombined. charge carriers of J3 junction is removed. charge carrier of J1 junction removed. charge carriers of J2 junction is swept out. charge carriers of J2 junction recombined. charge carriers of J3 junction is removed. charge carrier of J1 junction removed. charge carriers of J2 junction is swept out. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A UJT has ___________. One pn junction None of these Three pn junctions Two pn junctions One pn junction None of these Three pn junctions Two pn junctions 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 Spread time is defined as the interval during which both (A) and (B). anode current rises from 90 % to its final value. anode current rises from 10 % to 90 % of its final value. anode voltage drops from 10 % of its initial value to zero. both (A) and (B). anode current rises from 90 % to its final value. 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 A step up chopper has input voltage 110 V and output voltage 150 V. The value of duty cycle is 0.67. 0.27. 0.45. 0.32. 0.67. 0.27. 0.45. 0.32. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics An SCR is considered to be a semi controlled device because it can be turned OFF but not ON with a gate pulse. it conducts only during one half cycle of an alternating current wave. it can be turned ON only during one half cycle of an AC. it can be turned ON but not OFF with a gate pulse. it can be turned OFF but not ON with a gate pulse. it conducts only during one half cycle of an alternating current wave. it can be turned ON only during one half cycle of an AC. it can be turned ON but not OFF with a gate pulse. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS