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A graphite rod is 1.0 m long, with a 1.0 cm by 0.5 cm rectangular cross sectional area. What is the electrical resistance between its long ends? What must be the diameter of a circular 2.0 m long copper rod if its resistance is to be the same?

  • physics -

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  • physics -

    shut the hell up

  • physics -

    he is asking for help. you can pont him in the right direction you don't have to be an ass about it bobpursley

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