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

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

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Electrical Machines
The synchronous reactance( Xs) is the

 reactance either due to armature reaction or leakage flux
 reactance due to leakage flux
 reactance due to armature reaction of the machine
 combined reactance due to armature reaction and leakage flux

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