if anyone wishes to answer my questions would it be too much to ask you to e-mail me the answer. Because I get notices that people have answered other questions, For the life of me I don't know where the answers are going to.... all I see is the alert that Mr. or Mrs. Peoples answered my question. << e-mail address removed by Mentors >> before I forget Thank You Dave If you attach a charged capacitor to a permanent magnet does it change it to an electromagnet? My second question ferromagnetic backing plate for a permanent magnet how do you make one or buy one? Can I make out of cast iron? If so can it be flat or does it need to be in the form of a cup and press in the magnet?