Electrical Machines
In a step down transformer which one of the following statements is true?

  Number of secondary turns is less than primary turns.
 Number of secondary turns is more than that of primary.
 Secondary current is less than primary current.
 Secondary power is less than primary power.

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Electrical Machines
Cogging and crawling are phenomena associated with

 the former at a fraction of its rate speed and the latter during starting.
 any of the above.
 cage induction machines and they are essentially the same.
 the former during starting and the latter at a fraction of its rated speed.

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