A metallic wire is stretched from original length of 2 m to 6 m. If the original cross-sectional area is 2 mm and original resistance is 5 N, determine the new resistance of the metallic wire. (Ans: R = 45 S)

A metallic wire is stretched from original length of 2 m to 6 m. If the original cross-sectional area is 2 mm and original resistance is 5 N, determine the new resistance of the metallic wire. (Ans: R = 45 S)

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 68PQ

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A metallic wire is stretched from original length of 2 m to 6 m. If the original cross-sectional
area is 2 mm and original resistance is 5 N, determine the new resistance of the metallic wire.
(Ans: R = 45 S)

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