Rectifiers and Converters In a mercury arc rectifier, the anode is usually made of graphite silver aluminium copper graphite silver aluminium copper ANSWER DOWNLOAD EXAMIANS APP
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 In a rotary converter armature currents are d.c. only partly a.c. and partly d.c. a.c. only None of the listed here d.c. only partly a.c. and partly d.c. a.c. only None of the listed here 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 Remain same Less None of the listed here More Remain same Less None of the listed here More ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The metal rectifiers, as compared to mercury arc rectifiers operate on low temperatures can operate on high voltages can operate on heavy loads give poor regulation operate on low temperatures can operate on high voltages can operate on heavy loads give poor regulation ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier______ flow from anode to cathode electrons All of the listed here ions and electrons ions electrons All of the listed here ions and electrons ions ANSWER DOWNLOAD EXAMIANS APP