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B Graphite electromagnetic induction

  1. Dec 8, 2016 #1
    since graphite conducts. if spiral shape is drawn with pencil on the wall (thick , dark lines)
    will a voltage difference appear between inner and outer end of the spiral when a varying magnetic field is switched on, normal to wall
  2. jcsd
  3. Dec 9, 2016 #2
    Sounds like a fun experiment. Perhaps you should take a magnet, a voltmeter, and try it out.
  4. Dec 10, 2016 #3
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