Electrical Machines
Which of the following statements is/are correct statements?

All of these
 EMF per turn in HV winding is more than EMF per turn in LV winding
 EMF per turn in HV winding is less than EMF per turn in LV winding
 EMF per turn in both the windings are equal

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Electrical Machines
An alternator is feeding an infinite busbar. Its prime mover is suddenly shutdown. The alternator will

 start working as induction motor.
 continue to work as synchronous motor with same direction of rotation.
 come to stand still.
 continue to work as alternator but the direction of rotation will reverse.

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Electrical Machines
Consider the following statements regarding the magnetization characteristics of a dc generator : 1. It represents the variation of field flux with field current. 2. Variation of open-circuit terminal voltage with field current is independent of speed 3. It is non-linear from zero to rated field current 4. It helps to determine the critical field resistance at a given speed 5. It always starts from the origin Which of these statements are correct ?

 1, 2 and 5
 1 and 4
 3 and 5
 2, 3 and 4

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