Answered: A 1 m long wire is stretched to 1.7 m…

A 1 m long wire is stretched to 1.7 m long. What is the percentage change in its resistance? SR R The change, . 100% = 70 Units no units required

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

A 1 m long wire is stretched to 1.7 m long. What is the percentage change in its resistance?
SR
R
The change,
100% = 70
Units no units required ✓✓

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Step 1: Write the given values.

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Step 2: Derive the expression for change in resistance.

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Step 3: Calculate the percentage change in resistance.

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