Electrical Machines
The coil spam

 none of above.
  may or may not be exactly equal to people pitch.
 must be exactly equal to people pitch.
 can never be equal to pole pitch.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Due to magnetic saturation, the flux per pole in a DC machine without brush shift

 increases in both the generators and the motors with load.
  decreases in both generators and the motors with load.
 increases in generators but decreases in motor with load.
 decreases in generators and increases in motor with load.

ANSWER DOWNLOAD EXAMIANS APP