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 decelerates accelerates none of the listed here any of the listed here decelerates accelerates none of the listed here 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 In the output circuit there should be no harmonics The power factor of the system should be high The voltage regulation of the rectifier should be low All of the listed here In the output circuit there should be no harmonics The power factor of the system should be high ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following mercury arc rectifier will deliver least undulating current? Two-phase Six-phase Single-phase Three-phase Two-phase Six-phase Single-phase Three-phase ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The internal efficiency of a mercury arc rectifier depends on current only voltage only r.m.s. value of current voltage and current current only voltage only r.m.s. value of current voltage and current ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Selenium rectifier can be operated at temperatures as high as 40°C 75°C 25°C 60°C 40°C 75°C 25°C 60°C ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The voltage drop at anode, in a mercury arc rectifier is due to energy spent in overcoming the electrostatic field high temperature inside the rectifier self restoring property of mercury high ionization potential energy spent in overcoming the electrostatic field high temperature inside the rectifier self restoring property of mercury high ionization potential ANSWER DOWNLOAD EXAMIANS APP