Rectifiers and Converters The cathdde voltage drop, in a mercury arc rectifier, is due to surface resistance expenditure of energy in liberating electrons from the mercury expenditure of energy in overcoming the electrostatic field expenditure of energy in ionization surface resistance expenditure of energy in liberating electrons from the mercury expenditure of energy in overcoming the electrostatic field expenditure of energy in ionization ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a three-phase mercury arc rectifiers each anode conducts for One-fourth of a cycle One-third of a cycle Two-third of a cycle One-half a cycle One-fourth of a cycle One-third of a cycle Two-third of a cycle One-half a cycle ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The voltage drop at anode, in a mercury arc rectifier is due to high temperature inside the rectifier energy spent in overcoming the electrostatic field high ionization potential self restoring property of mercury high temperature inside the rectifier energy spent in overcoming the electrostatic field high ionization potential self restoring property of mercury ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A commutating rectifier consists of commutator driven by A synchronous motor A D.C. shunt motor An induction motor A D.C. series motor A synchronous motor A D.C. shunt motor An induction motor A D.C. series motor 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 In the output circuit there should be no harmonics All of the listed here The power factor of the system should be high The voltage regulation of the rectifier should be low In the output circuit there should be no harmonics All of the listed here The power factor of the system should be high ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In phase-shift control method the control is carried out by varying the of grid voltage. magnitude All of the listed here polarity phase magnitude All of the listed here polarity phase ANSWER DOWNLOAD EXAMIANS APP
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