A copper wire has a resistance of 50 ohms at 25°C (room temperature). The temperature coefficient of resistance for copper is approximately 0.0039 per °C. Calculate the new resistance of the wire when it is heated to 100°C.

A copper wire has a resistance of 50 ohms at 25°C (room temperature). The temperature coefficient of resistance for copper is approximately 0.0039 per °C. Calculate the new resistance of the wire when it is heated to 100°C.

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter28: Current And Resistance

Section: Chapter Questions

Problem 67PQ

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Question

Answer my physics question plz.

A copper wire has a resistance of 50 ohms at 25°C (room temperature). The temperature coefficient of resistance for copper is approximately 0.0039 per °C.

Calculate the new resistance of the wire when it is heated to 100°C.

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Step 1: Explaining the effects of temperature on resistance

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Step 2: Application of the temperature coefficient of resistance formula

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