Rectifiers and Converters The internal efficiency of a mercury arc rectifier depends on current only r.m.s. value of current voltage and current voltage only current only r.m.s. value of current voltage and current voltage only ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following is the loss within the mercury arc rectifier chamber? Voltage drop at the cathode Voltage drop in arc All of the listed here Voltage drop at the anode Voltage drop at the cathode Voltage drop in arc All of the listed here Voltage drop at the anode ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In which of the following equipment direct current is needed? Time switches All of the listed here Relay Telephones Time switches All of the listed here Relay Telephones ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a rotary converter armature currents are partly a.c. and partly d.c. a.c. only d.c. only None of the listed here partly a.c. and partly d.c. a.c. only d.c. only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The efficiency of an electrolytic rectifier is nearly 50 % 60 % 70 % 40 % 50 % 60 % 70 % 40 % ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Which of the following metals is generally manufactured by electrolysis process? Load Copper Aluminium Zinc Load Copper Aluminium Zinc ANSWER DOWNLOAD EXAMIANS APP