DC Motors
Which one of the following is not the function of pole shoes in a D.C. machine?

To support the field coils
To spread out flux for better uniformity
To reduce eddy current loss
To reduce the reluctance of the magnetic path

ANSWER DOWNLOAD EXAMIANS APP

DC Motors
The speed of a dc motor is

inversely proportional to applied voltage
inversely proportional to flux per pole
None of the listed here
Directly proportional to flux per pole

ANSWER DOWNLOAD EXAMIANS APP