Electrical Machines
If starter is not used with large DC motor for starting, it will

 all of above.
 draw a starting current many times its rated full load current.
 damage the armature and commutator.
 provide execessive voltage drop in line.

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Electrical Machines
In a DC generator, the armature reaction results in

 demagnetization of centers of poles.
 magnetization of leading and demagnetization of trailing pole tip.
  magnetization of inter poles.
  demagnetization of leading & magnetization of trailing pole tip.

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