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EEE :: Transformers

  1. If the voltage is stepped up, the current is stepped down, and vice versa.

  2. A.
    True
    B.
    False

  3. A step-down transformer has a turns ratio less than 1.

  4. A.
    True
    B.
    False

  5. A transformer responds only to dc.

  6. A.
    True
    B.
    False

  7. The primary is the winding connected to the source, and the secondary is the winding connected to the load.

  8. A.
    True
    B.
    False

  9. A transformer consists of two or more cores that are electrically coupled on a common core.

  10. A.
    True
    B.
    False

  11. A reflective load is a load as it appears to the source in the primary of a transformer.

  12. A.
    True
    B.
    False

  13. A step-up transformer steps up power.

  14. A.
    True
    B.
    False

  15. A transformer changes ac to dc.

  16. A.
    True
    B.
    False

  17. A center tap (CT) is a connection at the midpoint of the secondary winding of a transformer.

  18. A.
    True
    B.
    False

  19. An autotransformer is one in which the primary and secondary are automatically coupled.

  20. A.
    True
    B.
    False