lately i have been really interested in electromagnets. i have been building small ones and i will eventually (at least i want to anyway) build a strong electromagnet (not some toy). from what i understand you can increase the strength of an electromagnet by adding more current, turning the wire more and adding a solenoid. for a start anyway i want to know the equations on how to determine the strength of an electromagnet with an iron core. the problem is for one of course, i don't know any equations on electromagnetic strength but two, i have a really hard time with all the different fraises used in the equations (ex. permeability). I just get totally confused. can someone please help CLEARLY explain the equation for the strength of an electromagnet? any help will be appreciated.(adsbygoogle = window.adsbygoogle || []).push({});

thx

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# Electromagnet equation help

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