Rectifiers and Converters In phase-shift control method the control is carried out by varying the of grid voltage. polarity All of the listed here magnitude phase polarity All of the listed here magnitude phase ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The voltage drop between the anode and cathode, of a mercury arc rectifier comprises of the following anode drop, cathode drop and arc drop cathode drop and arc drop anode drop and cathode drop anode drop and arc drop anode drop, cathode drop and arc drop cathode drop and arc drop anode drop and cathode drop anode drop and arc drop ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In selenium rectifiers efficiencies ranging from ______ to ______ percent are attainable 20, 30 30, 60 40, 50 75, 85 20, 30 30, 60 40, 50 75, 85 ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The efficiency of an electrolytic rectifier is nearly 60 % 50 % 40 % 70 % 60 % 50 % 40 % 70 % ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Normally, which of the following is used, when a large-scale conversion from AC. to D.C. power is required? Motor-generator set Motor converter Mercury arc rectifier Rotary converter Motor-generator set Motor converter Mercury arc rectifier Rotary converter ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury pool rectifier, the voltage drop across its electrodes is directly proportional to load is almost independent of load current is inversely proportional to load varies exponentially with the load current is directly proportional to load is almost independent of load current is inversely proportional to load varies exponentially with the load current ANSWER DOWNLOAD EXAMIANS APP
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