Selenium rectifier can be operated at temperatures as high as:
A. 75°C
B. 60°C
C. 25°C
D. 40°C
Rectifiers and Converters
Which of the following is reversible in action ?
A. Motor converter
B. Rotary converter
C. Motor generator set
D. Any of the above
A rotary converter operates at a ____.
A. high power factor
B. zero power factor
C. low power factor
D. none of the above