a silly question

Discussion in 'General Electronics Chat' started by terratoss, Mar 27, 2012.

  1. terratoss

    Thread Starter New Member

    Mar 26, 2012
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    Hi guys, I am just curious about this thing on my mind. For example, if I left my iphone charger on after the charge is done and the iphone is removed from the cable, will the charger still be taking in the same amount of electricity like when is it charging the iphone?
     
  2. strantor

    AAC Fanatic!

    Oct 3, 2010
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    if it's a USB cable, no, it's just a cable.

    If it's a wall charger, no, it won't take the same amount of power, but it will drain some miniscule amount of power.

    If it's a car charger, I think no, it's just a cable (I could be wrong, might be a voltage regulator in there)
     
  3. terratoss

    Thread Starter New Member

    Mar 26, 2012
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    Hm.. I see.. So can I say that any adapter/charger without its load will only draw minuscule power that is negligible?
     
  4. strantor

    AAC Fanatic!

    Oct 3, 2010
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    yes that's probably true of most newer devices, but not all. Especially older ones, may be inefficient.
     
    terratoss likes this.
  5. terratoss

    Thread Starter New Member

    Mar 26, 2012
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    ok.. thank you many many.. :)
     
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