Rectifiers and Converters In a mercury pool rectifier, the voltage drop across its electrodes is directly proportional to load is inversely proportional to load is almost independent of load current varies exponentially with the load current is directly proportional to load is inversely proportional to load is almost independent of load current varies exponentially with the load current ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a grid control of mercury arc rectifiers when the grid is made positive relative to cathode, then it the electrons on their may to anode. any of the listed here accelerates none of the listed here decelerates any of the listed here accelerates none of the listed here decelerates ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters Normally, which of the following is used, when a large-scale conversion from AC. to D.C. power is required? Rotary converter Motor-generator set Mercury arc rectifier Motor converter Rotary converter Motor-generator set Mercury arc rectifier Motor converter ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The efficiency of an electrolytic rectifier is nearly 40 % 50 % 70 % 60 % 40 % 50 % 70 % 60 % ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In phase-shift control method the control is carried out by varying the of grid voltage. phase All of the listed here magnitude polarity phase All of the listed here magnitude polarity ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The metal rectifiers are preferred to valve rectifiers due to which of the following advantages ? They are mechanically strong None of the listed here They do not require any voltage for filament heating Both of the listed here They are mechanically strong None of the listed here They do not require any voltage for filament heating Both of the listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS