Power Electronics If the anode current is 800 A, then the amount of current required to turn off the GTO is about 200 A. 600 A. 400 A. 20 A. 200 A. 600 A. 400 A. 20 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A GTO can be turned on by applying Positive drain signal. Positive source signal. None of these. Positive gate signal. Positive drain signal. Positive source signal. None of these. Positive gate signal. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Why resistor is used in Snubber circuit ? To minimize the discharging current. To minimize the loss . To minimize the charging current. All of these. To minimize the discharging current. To minimize the loss . To minimize the charging current. All of these. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Power electronics essentially deals with control of a.c. power at ___________. Frequencies above 1000 kHz 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 ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is turned on by ___________. A breakover voltage Gate current Gate voltage None of these A breakover voltage Gate current Gate voltage None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A single phase one pulse controlled circuit has a resistance R and counter emf E load 400 sin(314 t) as the source voltage. For a load counter emf of 200 V, the range of firing angle control is 30° to 150°. 30° to 180°. 60° to 180°. 60° to 120°. 30° to 150°. 30° to 180°. 60° to 180°. 60° to 120°. ANSWER DOWNLOAD EXAMIANS APP