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 grid control of mercury arc rectifiers when the grid is made positive relative to cathode, then it the electrons on their may to anode. none of the listed here accelerates decelerates any of the listed here none of the listed here accelerates decelerates any of the listed here ANSWER DOWNLOAD EXAMIANS APP
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 A rotary converter combines the function of 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 an induction motor and a D.C. generator Both of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Mercury, in arc rectifiers, is chosen for cathode because Its ionization potential is relatively low Its boiling point and specific heat are low Its atomic weight is quite high All of the listed here Its ionization potential is relatively low Its boiling point and specific heat are low Its atomic weight is quite high All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following is the loss within the mercury arc rectifier chamber? Voltage drop in arc Voltage drop at the cathode Voltage drop at the anode All of the listed here Voltage drop in arc Voltage drop at the cathode Voltage drop at the anode All of the listed here ANSWER DOWNLOAD EXAMIANS APP
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