Rectifiers and Converters The applications of selenium rectifiers are usually limited to potential of 20 V 10 V 30 V 100 V 20 V 10 V 30 V 100 V ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Mercury, in arc rectifiers, is chosen for cathode because Its boiling point and specific heat are low All of the listed here Its atomic weight is quite high Its ionization potential is relatively low Its boiling point and specific heat are low All of the listed here Its atomic weight is quite high Its ionization potential is relatively low ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters On which of the following factors the number of phases for which a rectifier should be designed depends? The power factor of the system should be high In the output circuit there should be no harmonics The voltage regulation of the rectifier should be low All of the listed here The power factor of the system should be high In the output circuit there should be no harmonics The voltage regulation of the rectifier should be low All of the listed here 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 maximum grid voltage critical grid voltage all of the listed here non of the listed here maximum grid voltage critical grid voltage all of the listed here non of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A rotary converter is a single machine with 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 two armatures and one field one armature and two fields ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In selenium rectifiers efficiencies ranging from ______ to ______ percent are attainable 75, 85 40, 50 20, 30 30, 60 75, 85 40, 50 20, 30 30, 60 ANSWER DOWNLOAD EXAMIANS APP
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