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Question about resistance and resitivity?

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a coil of wire has a resistance of 38.0 at 25 degrees celsius and 43.0 at 55 degrees celsius. What is the temperature coefficient of resitivity?

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  1. temperature coefficient of resitivity = ((43-38) / 38) / (55 - 25)

    temperature coefficient of resitivity = .004385764

    : )

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