Electrical Machines
Which of the following is done in speed control of DC motor by field flux control?

 Inserting an additional resistance in the field circuit.
 Inserting an additional resistance in the armature circuit.
 Inserting resistance to armature circuit and field circuit.
 Any of above.

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Electrical Machines
Which of the following statements is/are correct statements?

 EMF per turn in HV winding is more than EMF per turn in LV winding
All of these
 EMF per turn in both the windings are equal
 EMF per turn in HV winding is less than EMF per turn in LV winding

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