Electrical Machines
The main disadvantage(s) of the ward-Leonard system is/are

 poor overall efficiency.
 high maintenance cost.
 all of above.
 high initial cost.

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

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

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