Rectifiers and Converters The potential drop in the arc, in a mercury arc rectifier, varies none of the listed here 2 V to 3.5 V per cm length of the arc 0.5 V to 1.5 V per cm length of the arc 0.05 V to 0.2 V per cm length of the arc none of the listed here 2 V to 3.5 V per cm length of the arc 0.5 V to 1.5 V per cm length of the arc 0.05 V to 0.2 V per cm length of the arc ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A synchronous converter can be started from D.C. side as D.C. motor by means of a small auxiliary motor All of the listed here from A.C. side as induction motor from D.C. side as D.C. motor by means of a small auxiliary motor All of the listed here from A.C. side as induction motor ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The efficiency of an electrolytic rectifier is nearly 60 % 40 % 70 % 50 % 60 % 40 % 70 % 50 % ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The voltage drop at anode, in a mercury arc rectifier is due to high ionization potential high temperature inside the rectifier self restoring property of mercury energy spent in overcoming the electrostatic field high ionization potential high temperature inside the rectifier self restoring property of mercury energy spent in overcoming the electrostatic field ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In selenium rectifiers efficiencies ranging from ______ to ______ percent are attainable 30, 60 75, 85 20, 30 40, 50 30, 60 75, 85 20, 30 40, 50 ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier positive ions are attracted towards cathode mercury pool shell bottom anode cathode mercury pool shell bottom anode ANSWER DOWNLOAD EXAMIANS APP