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

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

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Electrical Machines
With the increase in speed of a DC motor

 both back emf as well as line current fall.
 back emf increases but line current falls.
 both back emf as well as line current increase.
 back emf falls and line current increases.

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