Rectifiers and Converters In a rotary converter armature currents are None of the listed here partly a.c. and partly d.c. d.c. only a.c. only None of the listed here partly a.c. and partly d.c. d.c. only a.c. only ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The efficiency of an electrolytic rectifier is nearly 60 % 50 % 40 % 70 % 60 % 50 % 40 % 70 % ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following methods may be used to convert A.C. system to D.C.? Rotary converters Rectifiers Motor converters All of the listed here Rotary converters Rectifiers Motor converters All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The voltage drop at anode, in a mercury arc rectifier is due to 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 high ionization potential ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier characteristic blue luminosity is due to colour of mercury electron streams ionization high temperature colour of mercury electron streams ionization high temperature ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In which of the following applications, direct current is absolutely essential ? Traction Variable speed operation Electrolysis Illumination Traction Variable speed operation Electrolysis Illumination ANSWER DOWNLOAD EXAMIANS APP
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