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    Resistance

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    Can a copper wire and a tungsten wire of the same length have the same resistance?

    (a) yes, but only if the tungsten wire has a greater cross-sectional area
    (b) yes, but only if the copper wire has a greater cross-sectional area
    (c) yes, under any circumstances

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    (b) yes, but only if the copper wire has a greater cross-sectional area.

    Resistance = Resistivity x Length / Area

    The resistivity(numerator) of Copper is greater than the resistivity of Tungsten. Therefore, the copper wire should have a greater cross-sectional area (denominator) in order for its resistance to be equal to that of a tungsten wire of same length.

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    © BrainMass Inc. brainmass.com December 24, 2021, 8:36 pm ad1c9bdddf>
    https://brainmass.com/physics/resistance/resistance-copper-tungsten-wires-293867

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