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    im doing an experiment in physics titled - how does the diameter of a wire affect its resistance.

    im a bit stuck on the ' factors which may affect my experiment and why ..' bit, can anyone help?

    Ive figured the length of the wire, and its properties any other suggestions?

    thanks
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    Hmmm... off the top of my head....

    - the material the wire is made of
    - how pure the substance the wire is made of is
    - temperature

    I'm sure you can figure out why they effect the experiment.

    Hope that helps
 
 
 
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