Electrical Machines
When two DC series motors are connected in parallel, the resultant speed is

 less than normal speed.
 zero.
 more than normal speed.
 normal speed.

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Electrical Machines
The synchronous reactance( Xs) is the

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

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