Rectifiers and Converters A rotary converter is a single machine with none of the listed here one armature and two fields two armatures and one field one armature and one field none of the listed here one armature and two fields two armatures and one field one armature and one field ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a rotary converter armature currents are a.c. only d.c. only None of the listed here partly a.c. and partly d.c. a.c. only d.c. only None of the listed here partly a.c. and partly d.c. ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In selenium rectifiers efficiencies ranging from ______ to ______ percent are attainable 40, 50 20, 30 75, 85 30, 60 40, 50 20, 30 75, 85 30, 60 ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a grid control of mercury arc rectifiers when the grid is made positive relative to cathode, then it the electrons on their may to anode. none of the listed here accelerates decelerates any of the listed here none of the listed here accelerates decelerates any of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The voltage drop at anode, in a mercury arc rectifier is due to self restoring property of mercury high temperature inside the rectifier energy spent in overcoming the electrostatic field high ionization potential self restoring property of mercury high temperature inside the rectifier energy spent in overcoming the electrostatic field high ionization potential ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The ionization potential of mercury is approximately 5.4 V None of the listed here 10.4 V 16.4 V 5.4 V None of the listed here 10.4 V 16.4 V ANSWER DOWNLOAD EXAMIANS APP
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