Rectifiers and Converters Ageing of a selenium rectifier may change the output voltage by 15 to 20 per cent None of the listed here 25 to 30 per cent 5 to 10 per cent 15 to 20 per cent None of the listed here 25 to 30 per cent 5 to 10 per cent ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A rotary converter combines the function of None of the listed here a synchronous motor and a D.C. generator Both of the listed here an induction motor and a D.C. generator None of the listed here a synchronous motor and a D.C. generator Both of the listed here an induction motor and a D.C. generator ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The applications of selenium rectifiers are usually limited to potential of 20 V 100 V 10 V 30 V 20 V 100 V 10 V 30 V ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In which of the following equipment direct current is needed? Time switches All of the listed here Relay Telephones Time switches All of the listed here Relay Telephones ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The metal rectifiers are preferred to valve rectifiers due to which of the following advantages ? They do not require any voltage for filament heating None of the listed here They are mechanically strong Both of the listed here They do not require any voltage for filament heating None of the listed here They are mechanically strong Both of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier positive ions are attracted towards anode shell bottom cathode mercury pool anode shell bottom cathode mercury pool ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS