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

 Increases.
 Remain unchanged
 Decreases.
 None of above.

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Electrical Machines
For an ideal transformer the winding should have

 equal resistance on primary and secondary side
 no ohmic resistance on either side
 maximum resistance on primary side and least resistance on secondary side
 minimum resistance on primary side and maximum resistance on secondary side

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