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EEE :: Transformers

Transformers - General Questions
Transformers - General Questions 1
Transformers - True or False

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

    2. A.
    True
    B.
    False

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

    3. A.
    True
    B.
    False

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  3. A transformer responds only to dc.

    4. A.
    True
    B.
    False

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

    5. A.
    True
    B.
    False

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

    6. A.
    True
    B.
    False

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

    7. A.
    True
    B.
    False

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  7. A step-up transformer steps up power.

    8. A.
    True
    B.
    False

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  8. A transformer changes ac to dc.

    9. A.
    True
    B.
    False

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

    10. A.
    True
    B.
    False

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

    11. A.
    True
    B.
    False

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