Rectifiers and Converters The potential drop in the arc, in a mercury arc rectifier, varies 0.5 V to 1.5 V per cm length of the arc none of the listed here 0.05 V to 0.2 V per cm length of the arc 2 V to 3.5 V per cm length of the arc 0.5 V to 1.5 V per cm length of the arc none of the listed here 0.05 V to 0.2 V per cm length of the arc 2 V to 3.5 V per cm length of the arc ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following is the loss within the mercury arc rectifier chamber? All of the listed here Voltage drop at the anode Voltage drop in arc Voltage drop at the cathode All of the listed here Voltage drop at the anode Voltage drop in arc Voltage drop at the cathode 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? 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 The voltage regulation of the rectifier should be low ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a three-phase mercury arc rectifiers each anode conducts for One-half a cycle 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 ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In phase-shift control method the control is carried out by varying the of grid voltage. phase All of the listed here magnitude polarity phase All of the listed here magnitude polarity ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Copper oxide rectifier is usually designed not to operate above 75°C 30°C 45°C 55°C 75°C 30°C 45°C 55°C ANSWER DOWNLOAD EXAMIANS APP