Electrical Machines
If a shunt generator delivers 100 A at 200 V, and the resistances of the shunt field and armature are 100 ohms and 0.01 ohms respectively, the generator emf will be

  no resistance is connected.
  parallel.
  any one of the connection.
  series.

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Electrical Machines
The 3 - Φ induction motors are, by a very considerable margin, the most widely used AC motors as

  they are capable of operation under range of leading and lagging pf.
  these are cheaper in cost, simple and rugged in construction.
  they have maximum efficiency and maximum starting torque.
  they have very good speed regulation.

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