Rectifiers and Converters A commutating rectifier consists of commutator driven by A D.C. series motor An induction motor A synchronous motor A D.C. shunt motor A D.C. series motor An induction motor A synchronous motor A D.C. shunt motor ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In phase-shift control method the control is carried out by varying the of grid voltage. phase polarity All of the listed here magnitude phase polarity All of the listed here magnitude ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The applications of selenium rectifiers are usually limited to potential of 10 V 30 V 20 V 100 V 10 V 30 V 20 V 100 V ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A mercury arc rectifier possesses ________ regulation characteristics exponential none of the listed here straight line curved line exponential none of the listed here straight line curved line ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In selenium rectifiers efficiencies ranging from ______ to ______ percent are attainable 30, 60 40, 50 20, 30 75, 85 30, 60 40, 50 20, 30 75, 85 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
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