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Variable electromagnet help

Discussion in 'General Electronics Discussion' started by Norm!, Jan 20, 2017.

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  1. Norm!


    Jan 20, 2017
    Hello. I am new to both electronics and this forum.
    I have an idea for what I hope is a fairly simple first project, I want to build a small, battery powered electromagnet with the ability to vary the strength of the magnet during use.
    In my layman's world some kind of variable potentiometer is what I'm thinking.
    I've tried Internet searches with no success so far.
    Any and all thoughts gratefully received.
    Thank you.
  2. Minder


    Apr 24, 2015
    (*steve*), hevans1944 and Gryd3 like this.
  3. Alec_t


    Jul 7, 2015
    Welcome to EP.
    What will you use the electromagnet for? A strong electromagnet will quickly drain a small battery.
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