Two wires have the same resistance and radius. If the wires are made of tungsten and copper with resistivities respectively of 5.60 x 10-8 0. m and 1.70 x 10-8 Q - m, determine the ratio of their lengths. Lw Lou

Two wires have the same resistance and radius. If the wires are made of tungsten and copper with resistivities respectively of 5.60 x 10-8 0. m and 1.70 x 10-8 Q - m, determine the ratio of their lengths. Lw Lou

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

Two wires have the same resistance and radius. If the wires are made of
tungsten and copper with resistivities respectively of 5.60 x 10-8 0. m and
1.70 x 10-8 Q - m, determine the ratio of their lengths.
Lw
Lou

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