Rectifiers and Converters The internal efficiency of a mercury arc rectifier depends on current only voltage and current r.m.s. value of current voltage only current only voltage and current r.m.s. value of current voltage only ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The advantage of mercury arc rectifier is that All of the listed here it is light in weight and occupies small floor space it has high efficiency it is comparatively noiseless All of the listed here it is light in weight and occupies small floor space it has high efficiency it is comparatively noiseless ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a rotary converter I2R losses as compared to a D.C. generator of the same size will be None of the listed here Less Remain same More None of the listed here Less Remain same More ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Ageing of a selenium rectifier may change the output voltage by None of the listed here 15 to 20 per cent 25 to 30 per cent 5 to 10 per cent None of the listed here 15 to 20 per cent 25 to 30 per cent 5 to 10 per cent ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier positive ions are attracted towards cathode anode shell bottom mercury pool cathode anode shell bottom mercury pool ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following methods may be used to convert A.C. system to D.C.? Rectifiers Motor converters All of the listed here Rotary converters Rectifiers Motor converters All of the listed here Rotary converters ANSWER DOWNLOAD EXAMIANS APP