Rectifiers and Converters In phase-shift control method the control is carried out by varying the of grid voltage. polarity phase magnitude All of the listed here polarity phase magnitude All of the listed here 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 cathode Voltage drop at the anode Voltage drop in arc All of the listed here Voltage drop at the cathode Voltage drop at the anode Voltage drop in arc ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters To produce cathode spot in a mercury arc rectifier low mercury vapour pressures are used anode is heated tube is evacuated an auxiliary electrode is used low mercury vapour pressures are used anode is heated tube is evacuated an auxiliary electrode is used ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A rotary converter is a single machine with none of the listed here one armature and two fields one armature and one field two armatures and one field none of the listed here one armature and two fields one armature and one field two armatures and one field ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury pool rectifier, the voltage drop across its electrodes is almost independent of load current is inversely proportional to load is directly proportional to load varies exponentially with the load current is almost independent of load current is inversely proportional to load is directly proportional to load varies exponentially with the load current ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In which of the following applications, direct current is absolutely essential ? Variable speed operation Traction Electrolysis Illumination Variable speed operation Traction Electrolysis Illumination ANSWER DOWNLOAD EXAMIANS APP
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