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Heating up a wire using electrical current

  1. Nov 1, 2015 #1
    I have very little knowledge when it comes to physics. I'm trying to heat up a guitar string using electricity. The power source is 5 amps and only slightly heats up the string. I need a wire to get hot enough to cut through styrofoam. Please help with wire and power source suggestions.
     
  2. jcsd
  3. Nov 1, 2015 #2

    Nidum

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  4. Nov 5, 2015 #3

    CWatters

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