Power Electronics A triac can pass a portion of ___________ half-cycle through the load. None of these Only negative Only positive Both positive and negative None of these Only negative Only positive Both positive and negative 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
Power Electronics During reverse recovery time charge carrier of junction J2 recombined. both B and C. charge carrier of junction J3 is swept out. charge carrier of junction J1 is swept out. charge carrier of junction J2 recombined. both B and C. charge carrier of junction J3 is swept out. charge carrier of junction J1 is swept out. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The triac is ___________. None of these Like a bidirectional SCR A four-terminal device Not a thyristor None of these Like a bidirectional SCR A four-terminal device Not a thyristor ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is simply ___________. A single junction device A triac without gate terminal None of these A three junction device A single junction device A triac without gate terminal None of these A three junction device ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Figure shows two thyristors rated 400 A sharing a load current. Current through T2 is 180A. Current through T1 will be 150 A. 110 A. 120 A. 100 A. 150 A. 110 A. 120 A. 100 A. ANSWER DOWNLOAD EXAMIANS APP