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  1. W

    High Power DC Electromagnet

    here is one of many similar designs:
  2. W

    High Power DC Electromagnet

    lol @ "hazardous materials permit" Another thing I've contemplated is building an AC powered electromagnet. I've found references in a book I've been skimming, but no direct directions etc. It sounds a bit dangerous....any input on that? The EM Pump I've made so far is based off pre-existing...
  3. W

    High Power DC Electromagnet

    Thanks for your reply. That information already helps a lot. My desire is to bombard an area with intense EMF. It's not to destroy electronic circuits, like a weapon like EMP. I'm am slowly learning electronics out of interests in both robotics and the paranormal. In the paranormal field...
  4. W

    High Power DC Electromagnet

    Hi, I'm new here to this site. I'm looking into constructing a powerful DC electromagnet. Basically I want to take a common 9V battery and use (an unspecified) NPN transistor to increase the current and voltage output. I've heard that running such a powerful DC electromagnet in the long...
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