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Resistance of Wires and temperature

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1.) What is the resistance of a Nichrome wire at 0.0 degrees C if its resistance is 140.00ohms at 11.5 degrees C?
Express your answer using four significant figures.

2.) What is the resistance of a carbon rod at 25.8 degrees C if its resistance is 0.0120ohms at 0.0 degrees C?

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This solution contains step by step calculations to two problems involving variation of resistance with temperature.

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