Rectifiers and Converters In selenium rectifiers efficiencies ranging from ______ to ______ percent are attainable 30, 60 20, 30 40, 50 75, 85 30, 60 20, 30 40, 50 75, 85 ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a single phase rotary converter the number of slip rings will be Six Two Three Four Six Two Three Four ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A rotary converter combines the function of None of the listed here a synchronous motor and a D.C. generator Both of the listed here an induction motor and a D.C. generator None of the listed here a synchronous motor and a D.C. generator Both of the listed here an induction motor and a D.C. generator ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The efficiency of an electrolytic rectifier is nearly 60 % 50 % 70 % 40 % 60 % 50 % 70 % 40 % ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Mercury, in arc rectifiers, is chosen for cathode because Its boiling point and specific heat are low Its atomic weight is quite high Its ionization potential is relatively low All of the listed here Its boiling point and specific heat are low Its atomic weight is quite high Its ionization potential is relatively low All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury pool rectifier, the voltage drop across its electrodes is inversely proportional to load varies exponentially with the load current is almost independent of load current is directly proportional to load is inversely proportional to load varies exponentially with the load current is almost independent of load current is directly proportional to load ANSWER DOWNLOAD EXAMIANS APP
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