Electrical Machines
The ___________________ generator has the poorest voltage regulation.

  shunt.
  over compounded.
  differential compounded.
  under-compounded.

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Electrical Machines
In the 3-phase induction motor, the resultant flux is of a constant nature and is

 1/2 times maximum value of flux due to any phase
 3 times maximum value of flux due to any phase
 equal to φm, where φm is the maximum flux due to any phase
 3/2 times maximum value of flux due to any phase

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Electrical Machines
With the increase in speed of DC motor

 Both back emf as well as line current fall.
 Back emf falls and line current increase.
 Both back emf as well as line current increase.
  Back emf increase but line current falls.

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