Electromangetic Filed fluction

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GneHammer

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Using electromagnets for scrap metal recycling.  Getting enormous field fluctuations even though current draw is smooth and steady.  Any suggestions?

 
An electromagnet can be used for moving scrap steel from one place to another. In a scrapyard, a crane has a large iron disc that is not a permanent magnet. The crane operator lowers the electromagnet into a pile of scrap steel and then switches on the electricity.
 
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