Rectifiers and Converters In a mercury arc rectifier______ flow from anode to cathode ions electrons All of the listed here ions and electrons ions electrons All of the listed here ions and electrons 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 Electrolytic rectifiers Copper oxide rectifiers Selenium rectifiers Mechanical rectifiers Electrolytic rectifiers Copper oxide rectifiers Selenium rectifiers ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A commutating rectifier consists of commutator driven by A synchronous motor A D.C. shunt motor A D.C. series motor An induction motor A synchronous motor A D.C. shunt motor A D.C. series motor An induction motor ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a three-phase mercury arc rectifiers each anode conducts for One-half a cycle One-fourth of a cycle One-third of a cycle Two-third of a cycle One-half a cycle One-fourth of a cycle One-third of a cycle Two-third of a cycle ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The metal rectifiers, as compared to mercury arc rectifiers give poor regulation operate on low temperatures can operate on high voltages can operate on heavy loads give poor regulation operate on low temperatures can operate on high voltages can operate on heavy loads ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Ageing of a selenium rectifier may change the output voltage by 25 to 30 per cent 15 to 20 per cent 5 to 10 per cent None of the listed here 25 to 30 per cent 15 to 20 per cent 5 to 10 per cent None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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