Power Electronics For series connected SCR’s dynamic equalising circuit consists of R and C in series but with diode across C. series R and diode with C across R. series R and diode with C across R. R and C in series but with diode across R. R and C in series but with diode across C. series R and diode with C across R. series R and diode with C across R. R and C in series but with diode across R. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Leakage current flows through the thyristor in forward conduction mode. forward blocking mode. reverse blocking mode. both forward and reverse blocking mode. forward conduction mode. forward blocking mode. reverse blocking mode. both forward and reverse blocking mode. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac is a ___________ switch Bidirectional None of these Mechanical Unidirectional Bidirectional None of these Mechanical Unidirectional ANSWER DOWNLOAD EXAMIANS APP
Power Electronics An SCR is considered to be a semi controlled device because it can be turned ON but not OFF with a gate pulse. it can be turned ON only during one half cycle of an AC. it conducts only during one half cycle of an alternating current wave. it can be turned OFF but not ON with a gate pulse. it can be turned ON but not OFF with a gate pulse. it can be turned ON only during one half cycle of an AC. it conducts only during one half cycle of an alternating current wave. it can be turned OFF but not ON with a gate pulse. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The triac is ___________. A four-terminal device Not a thyristor None of these Like a bidirectional SCR A four-terminal device Not a thyristor None of these Like a bidirectional SCR ANSWER DOWNLOAD EXAMIANS APP
Power Electronics For an SCR gate cathode characteristic is a straight line of 130. For triggered source volume of 15 V and allowable gate power dissipation of 0.5 W compute the gate source resistance? 111.9 ohm 108 ohm 115 ohm 11.19 ohm 111.9 ohm 108 ohm 115 ohm 11.19 ohm ANSWER DOWNLOAD EXAMIANS APP