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Knowledge Check

  • Transformer is used for :

    A
    Producing DC
    B
    Producing AC
    C
    Changing DC to AC
    D
    Changing AC voltages.

  • The transformer ratio of a step up transformer is

    A
    greater than one
    B
    less than one
    C
    less than one and some times greater than one
    D
    greater than one and some times less than one

  • The transformation ratio in the step-down transformer is

    A
    `1`
    B
    greater than one
    C
    less than one
    D
    the ratio greater ot less than one depends on the other factors

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