A metallic wire is stretched from original length of 1 m to 5 m. If the original cross-sectional area is 2 square millimeters and original resistance is 6 ohms, determine the new resistance (in ohms) of the metallic wire. Assume the volume of the wire is preserved.

A metallic wire is stretched from original length of 1 m to 5 m. If the original cross-sectional area is 2 square millimeters and original resistance is 6 ohms, determine the new resistance (in ohms) of the metallic wire. Assume the volume of the wire is preserved.

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter9: Current And Resistance

Section: Chapter Questions

Problem 31P: Consider a wire of a circular cross-section with a radius of R = 3.00mm. The magnitude of the...

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Question

Express your final answers accurate to four decimal places; avoid rounding off intermediate values in the solutions to avoid deviation due to rounding-off within the solution.
USE ENG NOTATION

A metallic wire is stretched from original length of 1 m to 5 m. If the original cross-sectional area is 2 square millimeters and
original resistance is 6 ohms, determine the new resistance (in ohms) of the metallic wire. Assume the volume of the wire is
preserved.

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