Rectifiers and Converters A rotary converter operates at a low power factor high power factor None of the listed here zero power factor low power factor high power factor None of the listed here zero power factor ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a three-phase mercury arc rectifiers each anode conducts for One-third of a cycle One-fourth of a cycle Two-third of a cycle One-half a cycle One-third of a cycle One-fourth of a cycle Two-third of a cycle One-half a cycle 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 polarity phase All of the listed here magnitude polarity phase ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The efficiency of the copper oxide rectifier seldom exceeds 65 to 75% 80 to 85% 90 to 95% 85 to 90% 65 to 75% 80 to 85% 90 to 95% 85 to 90% ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a grid control of mercury arc rectifiers when the grid is made positive relative to cathode, then it the electrons on their may to anode. any of the listed here none of the listed here decelerates accelerates any of the listed here none of the listed here decelerates accelerates ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a phase-shift control method, the phase shift between anode and grid voltages can be achieved by means of Synchronous generator Shunt motor Synchronous motor Induction regulator Synchronous generator Shunt motor Synchronous motor Induction regulator ANSWER DOWNLOAD EXAMIANS APP
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