Electrical Machines
For a DC Motor for constant load torque, what will happen to the armature current if armature resistance increases?

 Decreases.
 Remain unchanged
 Increases.
 None of above.

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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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