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Ideas for practical application of electromagnetic field theory

  1. Jul 31, 2012 #1

    I have to give a presentation on an application of electromagnetic field theory of my choosing, and I was wondering if anyone had any suggestions that might be more interesting than the ones that have been suggested.

    It's for a 2nd year university level physics (E&M) course, so the application needs to be applicable to that sort of material / level of understanding.

    The recommended ones(which will be done by many, many students) are as follows:

    -Cathode ray oscilloscope
    -Ink jet printer
    -Electrostatic generator
    -Electrostatic voltmeter
    -Magnetic separator
    -Magnetic deflection
    -Mass spectrometer
    -Hall effect
    -magnetohydrodynamic generator
    -electromagnetic pump
    -dc motor

    Anyone have any other ideas that maybe combine a few of these topics? I've been looking online but everything i find is either already covered in the list above or is too simple

  2. jcsd
  3. Jul 31, 2012 #2
    I made a paper on mass spectrometry in an E&M class and I enjoyed writing about it, I thought it's a pretty clever process.

    One thing that comes to mind that doesn't seem to be on that list is speakers/microphones.
  4. Jul 31, 2012 #3
    TEM electron microscopy is another topic you might consider.
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