Rectifiers and Converters In a mercury arc rectifier______ flow from anode to cathode ions All of the listed here ions and electrons electrons ions All of the listed here ions and electrons electrons ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier positive ions are attracted towards cathode shell bottom mercury pool anode cathode shell bottom mercury pool anode ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following mercury arc rectifier will deliver least undulating current? Single-phase Three-phase Two-phase Six-phase Single-phase Three-phase Two-phase Six-phase ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The potential drop in the arc, in a mercury arc rectifier, varies 0.5 V to 1.5 V per cm length of the arc 2 V to 3.5 V per cm length of the arc 0.05 V to 0.2 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 2 V to 3.5 V per cm length of the arc 0.05 V to 0.2 V per cm length of the arc none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Selenium rectifier can be operated at temperatures as high as 25°C 75°C 40°C 60°C 25°C 75°C 40°C 60°C ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Ageing of a selenium rectifier may change the output voltage by 15 to 20 per cent 5 to 10 per cent None of the listed here 25 to 30 per cent 15 to 20 per cent 5 to 10 per cent None of the listed here 25 to 30 per cent ANSWER DOWNLOAD EXAMIANS APP
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