Rectifiers and Converters In a mercury arc rectifier characteristic blue luminosity is due to electron streams high temperature ionization colour of mercury electron streams high temperature ionization colour of mercury ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The internal efficiency of a mercury arc rectifier depends on current only voltage and current voltage only r.m.s. value of current current only voltage and current voltage only r.m.s. value of current ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Copper oxide rectifier is usually designed not to operate above 30°C 55°C 75°C 45°C 30°C 55°C 75°C 45°C ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A rotary converter combines the function of an induction motor and a D.C. generator Both of the listed here a synchronous motor and a D.C. generator None of the listed here an induction motor and a D.C. generator Both of the listed here a synchronous motor and a D.C. generator None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A synchronous converter can be started from D.C. side as D.C. motor from A.C. side as induction motor All of the listed here by means of a small auxiliary motor from D.C. side as D.C. motor from A.C. side as induction motor All of the listed here by means of a small auxiliary motor ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In which of the following applications, direct current is absolutely essential ? Electrolysis Illumination Variable speed operation Traction Electrolysis Illumination Variable speed operation Traction ANSWER DOWNLOAD EXAMIANS APP
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