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Electromagnetism : Current Induction

  1. Oct 20, 2012 #1
    1. The problem statement, all variables and given/known data
    elmag.png
    that fig is taken from the book of The Feynman Lectures on Physics. The fig above shows that if the copper disc is rotated (by a hand), there will be induced current, measured by the galvanometer. this engineering principle is the basic principle of a generator. what would happen if the situation changed? so now the bar magnet is the one that rotated (relative to the axis of the magnetic poles: NS). is there still any induced current measured by the galvanometer?


    2. Relevant equations

    maxwell%27s+eq.png

    3. The attempt at a solution

    I know nothing :confused:
     
    Last edited: Oct 21, 2012
  2. jcsd
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