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    Question

    When we want to change the magnitude of voltage but not

    the frequency, which one is used? 
    A Transistor Correct Answer Incorrect Answer
    B Capacitor Correct Answer Incorrect Answer
    C Transformer Correct Answer Incorrect Answer
    D Dynamo Correct Answer Incorrect Answer
    E none of them Correct Answer Incorrect Answer

    Solution

    Transformer is used to change the magnitude of voltage. 

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