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  • Author Author: M_G
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Need help with a school project

M_G

Hello. I am currently a student and need help in the subject of electromagnetism. What can be the maximum weight a homemade electromagnet can carry given by the power source of a 2 x 1.5 AA Battery? Afterwhich, may I ask for the type of wire, core, and additional tips for creating this magnet?

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  • in reply to beacon_dave

    Novel way to make an electromagnet! : ) Very interesting video.

    A few years back I was tasked with making one to pick up a little ball-bearing. I think (can't recall 100%, since I tried a few things at the time) I ended up pulling a relay apart and using its coil. Althiough I think electronics stores used to sell various general-purpose solenoids, I've not seen many/any recently. Maybe even take apart a door chime.

    Nice for the OP to try things even if they are at a different scale to what's desired, to learn what impacts the ability to lift loads. Also there are hobby science stores (mindsetsonline, etc) who sell raw material if the OP wishes to custom-wind! 

  • in reply to shabaz

    ...Very interesting video...

    The follow-up video was using two of them to make a magnetic drill vice:
       https://www.youtube.com/watch?v=orsmjiCMotM

    ...raw material if the OP wishes to custom-wind...

    Need to build the DIY winding machine first Slight smile