Rectifiers and Converters Mercury, in arc rectifiers, is chosen for cathode because Its atomic weight is quite high Its ionization potential is relatively low All of the listed here Its boiling point and specific heat are low Its atomic weight is quite high Its ionization potential is relatively low All of the listed here Its boiling point and specific heat are low ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Copper oxide rectifier is usually designed not to operate above 55°C 30°C 75°C 45°C 55°C 30°C 75°C 45°C ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In phase-shift control method the control is carried out by varying the of grid voltage. All of the listed here magnitude phase polarity All of the listed here magnitude phase polarity ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In mercury arc rectifiers having grid, the arc can be struck between anode and cathode only when the grid attains a certain potential, this potential being known as critical grid voltage non of the listed here all of the listed here maximum grid voltage critical grid voltage non of the listed here all of the listed here maximum grid voltage ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier positive ions are attracted towards anode cathode shell bottom mercury pool anode cathode shell bottom mercury pool ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A rotary converter is a single machine with two armatures and one field one armature and two fields one armature and one field none of the listed here two armatures and one field one armature and two fields one armature and one field none of the listed here ANSWER DOWNLOAD EXAMIANS APP
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