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Creating an improvised project (electromagnetic generator)

  1. Oct 9, 2010 #1
    1. The problem statement, all variables and given/known data
    I'm required to make an improvised material for my Physics class. I'm in grade 10.

    2. Relevant equations

    3. The attempt at a solution
    I'm thinking of making an electromagnetic generator. Here's an illustration I saw in a book.
    The top set-up was from the book. I don't have a magnet in that shape though. I have the type of magnet in the bottom half, and I was wondering if it would still work. According to the book, the thing the hand is holding is the rotating loop. I pressume it is made out of something conductive. If I understand the illustration correctly, the hand is "cranking" the rotating loop. I don't know what the thing connecting the loop to the wires (wires attached to the lightbulb) is. Is there a formula to know how much electrical energy would be converted from the mechanical energy? Also, would it be possible to take advantage of increased number of coils? If so, where should there be more coils? *I don't completely understand where the conversion from mechanical to electric energy happens. All I know is that when a magnet is "plunged" into loops of coil (pressumably a conductor), voltage is induced*Correct me if I'm mistaken, but the hand would be electrocuted if the actual set-up was like that. The real thing should have a handle made out of an insulator. Also, the whole thing (magnet + loop) should be attached to a container of some sort - perhaps a box made out of an insulator.

    Did I miss anything important? Also, what do you think about this project in general? Is it feasible? Do you think I should try to make something more complicated, or am I way out of my league? If this is a bad idea for any reason, suggestions on what improvised project I can do. I appreciate any possible suggestions.

    *I'm unsure whether or not this thread goes here.
    Last edited: Oct 9, 2010
  2. jcsd
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