Rectifiers and Converters In a glass bulb mercury arc rectifier the maximum current rating is restricted to 500 A 1500 A 200 A 2000 A 500 A 1500 A 200 A 2000 A ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a rotary converter armature currents are partly a.c. and partly d.c. a.c. only None of the listed here d.c. only partly a.c. and partly d.c. a.c. only None of the listed here d.c. only ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The efficiency of the copper oxide rectifier seldom exceeds 65 to 75% 85 to 90% 80 to 85% 90 to 95% 65 to 75% 85 to 90% 80 to 85% 90 to 95% ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In which of the following equipment direct current is needed? Telephones All of the listed here Relay Time switches Telephones All of the listed here Relay Time switches ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following is the loss within the mercury arc rectifier chamber? Voltage drop at the cathode All of the listed here Voltage drop at the anode Voltage drop in arc Voltage drop at the cathode All of the listed here Voltage drop at the anode Voltage drop in arc ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier characteristic blue luminosity is due to high temperature colour of mercury electron streams ionization high temperature colour of mercury electron streams ionization ANSWER DOWNLOAD EXAMIANS APP
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