If you have a charger in an outlet and leave it in the outlet without charging anything,does the charger still use electricity?

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  • 1 year ago

    I think it does.

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  • M.
    Lv 7
    1 year ago

    The simple answer is: YES.

    The complicated answer is: A small amount.

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  • 1 year ago

    Only a very tiny bit, the power consumption comes when charging a device and then it is a very small amount.

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  • 1 year ago

    It is storing electricity

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  • The transformer will still heat up.

    I remember working a problem in which the impedance of the load was translated back in some shape, form, or fashion to the primary coil, but I don't remember the details.

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  • 1 year ago

    It will use something between zero

    and so close to zero that no one in their right mind should care.

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  • 1 year ago

    Yes, small amounts but yes. There is a transformer in the charger and that completes the circuit.

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    • David E
      Lv 7
      1 year agoReport

      Converting 60 hz AC to DC requires flipping the negative half to positive. This results in a 120 Hz wave that is the front half the sine wave. They then try to smooth this out in to DC. This results in a 120 Hz buzz that is close to a sawtooth wave.

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  • khalil
    Lv 7
    1 year ago

    usually,

    without charging .... 0 watt

    with charging.....4 watts

    if it charges 8 hours a day ... for a year about 12 kwh

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  • Anonymous
    1 year ago

    a bit, yes ....................

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  • 1 year ago

    It uses over 9000 volts

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