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 polarity phase All of the listed here magnitude polarity phase 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 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 The power factor of the system should be high In the output circuit there should be no harmonics ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In which of the following applications, direct current is absolutely essential ? Variable speed operation Illumination Electrolysis Traction Variable speed operation Illumination Electrolysis Traction ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a rotary converter armature currents are None of the listed here 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 ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Mercury, in arc rectifiers, is chosen for cathode because Its boiling point and specific heat are low Its ionization potential is relatively low All of the listed here Its atomic weight is quite high Its boiling point and specific heat are low Its ionization potential is relatively low All of the listed here Its atomic weight is quite high ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The metal rectifiers, as compared to mercury arc rectifiers can operate on high voltages give poor regulation can operate on heavy loads operate on low temperatures can operate on high voltages give poor regulation can operate on heavy loads operate on low temperatures ANSWER DOWNLOAD EXAMIANS APP
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