Rectifiers and Converters The internal efficiency of a mercury arc rectifier depends on current only voltage and current voltage only r.m.s. value of current current only voltage and current voltage only r.m.s. value of current ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following are the applications of D.C. system? All of the listed here Arc welding Battery charging work Electrolytic and electro-chemical processes All of the listed here Arc welding Battery charging work Electrolytic and electro-chemical processes ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a glass bulb mercury arc rectifier the maximum current rating is restricted to 500 A 200 A 2000 A 1500 A 500 A 200 A 2000 A 1500 A ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters To produce cathode spot in a mercury arc rectifier low mercury vapour pressures are used tube is evacuated anode is heated an auxiliary electrode is used low mercury vapour pressures are used tube is evacuated anode is heated an auxiliary electrode is used ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A commutating rectifier consists of commutator driven by An induction motor A synchronous motor A D.C. series motor A D.C. shunt motor An induction motor A synchronous motor A D.C. series motor A D.C. shunt motor ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Copper oxide rectifier is usually designed not to operate above 75°C 30°C 45°C 55°C 75°C 30°C 45°C 55°C ANSWER DOWNLOAD EXAMIANS APP
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