A coil of wire has a resistance of 53.6Ω at 29 °C and 61.0Ω at 48...

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A coil of wire has a resistance of 53.6Ω at 29 °C and 61.0Ω at 48...

A coil of wire has a resistance of 53.6Ω at 29 °C and 61.0Ω at 48 °C. What is the temperature coefficient of resistivity? I have seen this one and have looked at a number of similar problems. Many are worked differently and come up with different answers. How will I know which "Expert Answer" is correct to know how to proceed with other homework problems? Can you please work and let me know.

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A coil of wire has a resistance of 53.6Ω at 29 °C and 61.0Ω at 48...

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A coil of wire has a resistance of 53.6Ω at 29 °C and 61.0Ω at 48...

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A coil of wire has a resistance of 53.6Ω at 29 °C and 61.0Ω at 48...