Rectifiers and Converters The efficiency of an electrolytic rectifier is nearly 50 % 40 % 60 % 70 % 50 % 40 % 60 % 70 % ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The internal efficiency of a mercury arc rectifier depends on current only voltage only r.m.s. value of current voltage and current current only voltage only r.m.s. value of current voltage and current ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following rectifiers are primarily used for charging of low voltage batteries from AC. supply? Selenium rectifiers Electrolytic rectifiers Copper oxide rectifiers Mechanical rectifiers Selenium rectifiers Electrolytic rectifiers Copper oxide rectifiers Mechanical rectifiers ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a rotary converter armature currents are a.c. only None of the listed here d.c. only partly a.c. and partly d.c. a.c. only None of the listed here d.c. only partly a.c. and partly d.c. ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury pool rectifier, the voltage drop across its electrodes is almost independent of load current is inversely proportional to load is directly proportional to load varies exponentially with the load current is almost independent of load current is inversely proportional to load is directly proportional to load varies exponentially with the load current ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a mercury arc rectifier positive ions are attracted towards shell bottom cathode anode mercury pool shell bottom cathode anode mercury pool ANSWER DOWNLOAD EXAMIANS APP
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