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    A transformer is used for changing the value of
    Question

    A transformer is used for changing the value of

    A.

    Voltage

    B.

    Frequency

    C.

    Power

    D.

    Power factor

    Correct option is A


    A transformer is used for changing the value of voltage. 
    Explanation: A transformer works by altering the number of turns on its primary and secondary coils, which allows it to increase (step-up) or decrease (step-down) the voltage of an alternating current (AC) circuit, while keeping the frequency relatively constant. 

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