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How does a current translate into turning a motor?

  1. Aug 8, 2011 #1
    So you have a current flowing through a wire. How do you go from that to, say, spinning a fan blade when you flip a switch?

    I took physics but they were more interested in teaching us obscure calculations than actually explaining practical material. If you want to know the total resistance of a circuit I can do that, I just can't tell you what on earth you will be doing with that circuit.
     
  2. jcsd
  3. Aug 8, 2011 #2

    xts

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    Last edited by a moderator: Aug 8, 2011
  4. Aug 8, 2011 #3
    Thanks.
     
  5. Aug 8, 2011 #4

    berkeman

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    Staff: Mentor

    Yeah, wikipedia and howstuffworks.com are both pretty good places to get basic information about how things work:

    http://www.howstuffworks.com/motor.htm

    .
     
  6. Aug 8, 2011 #5
    Yes we obviously learned about inducing magnetic fields with a current in physics, I just didn't know that that was how most devices worked.
     
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