Electrical Machines
What type of dielectric material is used in capacitors used for fans and for power factor correction?

  Oil impregnated paper.
  Mica.
  Vacuum.
  Glass.

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

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

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