Electrical Machines
The effect of ------------------ on main field flux is armature reaction?

 armature flux
 armature current
 armature mmf
All of these

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Electrical Machines
For a single phase capacitor start induction motor which of the following is valid?

 None of these.
  Rotation can be changed by reversing main winding terminals.
 Rotation can be changed by interchanging supply terminals.
 Direction of rotation cannot be changed.

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