A ductile metal wire has resistance R. What will be the resistance of this wire in terms
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A ductile metal wire has resistance R. What will be the resistance of this wire in terms of R if it is stretched to three times its original length, assuming that the density and resistivity of the material do not change when the wire is stretched? The amount of metal does not change, so stretching out the wire will affect its cross-sectional area.
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Related Book For
University Physics with Modern Physics
ISBN: 978-0133977981
14th edition
Authors: Hugh D. Young, Roger A. Freedman
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