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March 26, 2017

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A wire is made of a material with a resistivity of 4.85109 × 10−8 Ω · m . It has length 5.57436 m and diameter 0.36396 mm .
What is the resistance of the wire?
Answer in units of Ω

  • physics - ,

    R=ρL/A
    A=πd²/4

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