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physics

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the resistance of 100.0cm of constantan wire whose diameter of cross-section is 0.55m is 5ohm
find the resistivity of constantan wire

  • physics -

    resistance=resitivity(length/area)

    solve for resistivity. Normally, One does not deal with wire that is that size. 55 cm diameter wire must be pretty heavy, at least one meter of it. I know my hoist could not lift it. It is bigger than the engine in my car.

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