Electrical Machines
Induction motors normally use cast aluminium rotor because aluminium is

  lighter in weight.
  of low resistivity.
  cheaper in cost.
  easy to cast owing to its low melting point and is easily available.

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

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

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