Rectifiers and Converters In which of the following equipment direct current is needed? Relay All of the listed here Telephones Time switches Relay All of the listed here Telephones Time switches ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In phase-shift control method the control is carried out by varying the of grid voltage. phase magnitude polarity All of the listed here phase magnitude polarity All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters To produce cathode spot in a mercury arc rectifier anode is heated low mercury vapour pressures are used an auxiliary electrode is used tube is evacuated anode is heated low mercury vapour pressures are used an auxiliary electrode is used tube is evacuated ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In selenium rectifiers efficiencies ranging from ______ to ______ percent are attainable 40, 50 30, 60 20, 30 75, 85 40, 50 30, 60 20, 30 75, 85 ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The applications of selenium rectifiers are usually limited to potential of 30 V 100 V 20 V 10 V 30 V 100 V 20 V 10 V ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a single phase rotary converter the number of slip rings will be Three Six Two Four Three Six Two Four ANSWER DOWNLOAD EXAMIANS APP
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