Rectifiers and Converters The efficiency of the copper oxide rectifier seldom exceeds 65 to 75% 80 to 85% 85 to 90% 90 to 95% 65 to 75% 80 to 85% 85 to 90% 90 to 95% ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A mercury arc rectifier possesses ________ regulation characteristics none of the listed here straight line curved line exponential none of the listed here straight line curved line exponential ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters The advantage of mercury arc rectifier is that it is light in weight and occupies small floor space it is comparatively noiseless it has high efficiency All of the listed here it is light in weight and occupies small floor space it is comparatively noiseless it has high efficiency All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters A rotary converter operates at a None of the listed here zero power factor high power factor low power factor None of the listed here zero power factor high power factor low power factor ANSWER DOWNLOAD EXAMIANS APP
Rectifiers and Converters In a rotary converter armature currents are a.c. only None of the listed here partly a.c. and partly d.c. d.c. only a.c. only None of the listed here partly a.c. and partly d.c. d.c. only 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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