Rectifiers and Converters In a rotary converter I2R losses as compared to a D.C. generator of the same size will be Remain same More None of the listed here Less Remain same More None of the listed here Less ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier positive ions are attracted towards cathode anode mercury pool shell bottom cathode anode mercury pool shell bottom ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The potential drop in the arc, in a mercury arc rectifier, varies none of the listed here 0.5 V to 1.5 V per cm length of the arc 0.05 V to 0.2 V per cm length of the arc 2 V to 3.5 V per cm length of the arc none of the listed here 0.5 V to 1.5 V per cm length of the arc 0.05 V to 0.2 V per cm length of the arc 2 V to 3.5 V per cm length of the arc ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Copper oxide rectifier is usually designed not to operate above 55°C 75°C 30°C 45°C 55°C 75°C 30°C 45°C ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following mercury arc rectifier will deliver least undulating current? Three-phase Single-phase Six-phase Two-phase Three-phase Single-phase Six-phase Two-phase ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The metal rectifiers are preferred to valve rectifiers due to which of the following advantages ? Both of the listed here They do not require any voltage for filament heating They are mechanically strong None of the listed here Both of the listed here They do not require any voltage for filament heating They are mechanically strong None of the listed here ANSWER DOWNLOAD EXAMIANS APP