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Air vs iron core

Discussion in 'General Electronics Discussion' started by Blu35tarsix, Jan 29, 2017.

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  1. Blu35tarsix


    Jan 26, 2017
    When adding an iron core to an electromagnet (as opposed to air) and you gain a multiplication of the magnetic field, are you getting this gain without using anymore electricity?
  2. davenn

    davenn Moderator

    Sep 5, 2009
    no, you are not multiplying it, you are just concentrating it in a smaller area ... so there is no gain and no additional power ( electricity)
  3. Blu35tarsix


    Jan 26, 2017
    Ok that makes sense. Thanks
    davenn likes this.
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