Rectifiers and Converters In a mercury arc rectifier positive ions are attracted towards shell bottom anode cathode mercury pool shell bottom anode cathode mercury pool ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The efficiency of the copper oxide rectifier seldom exceeds 80 to 85% 85 to 90% 90 to 95% 65 to 75% 80 to 85% 85 to 90% 90 to 95% 65 to 75% ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury pool rectifier, the voltage drop across its electrodes is almost independent of load current is inversely proportional to load varies exponentially with the load current is directly proportional to load is almost independent of load current is inversely proportional to load varies exponentially with the load current is directly proportional to load ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In which of the following equipment direct current is needed? Time switches Telephones All of the listed here Relay Time switches Telephones All of the listed here Relay ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A synchronous converter can be started from A.C. side as induction motor from D.C. side as D.C. motor All of the listed here by means of a small auxiliary motor from A.C. side as induction motor from D.C. side as D.C. motor All of the listed here by means of a small auxiliary motor ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Copper oxide rectifier is usually designed not to operate above 75°C 45°C 55°C 30°C 75°C 45°C 55°C 30°C ANSWER DOWNLOAD EXAMIANS APP
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