Rectifiers and Converters Copper oxide rectifier is usually designed not to operate above 75°C 45°C 55°C 30°C 75°C 45°C 55°C 30°C ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following mercury arc rectifier will deliver least undulating current? Three-phase Two-phase Six-phase Single-phase Three-phase Two-phase Six-phase Single-phase ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The metal rectifiers are preferred to valve rectifiers due to which of the following advantages ? None of the listed here Both of the listed here They do not require any voltage for filament heating They are mechanically strong None of the listed here Both of the listed here They do not require any voltage for filament heating They are mechanically strong ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The applications of selenium rectifiers are usually limited to potential of 20 V 30 V 100 V 10 V 20 V 30 V 100 V 10 V ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following rectifiers are primarily used for charging of low voltage batteries from AC. supply? Mechanical rectifiers Copper oxide rectifiers Electrolytic rectifiers Selenium rectifiers Mechanical rectifiers Copper oxide rectifiers Electrolytic rectifiers Selenium rectifiers ANSWER DOWNLOAD EXAMIANS APP
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 phase magnitude polarity All of the listed here phase magnitude ANSWER DOWNLOAD EXAMIANS APP
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