A particular wire has a resistivity of 4.5 x 10-8 n · m and a cross-sectional area of 5.3 x 10-6 m2. A length of this wire is to be used as a resistor that will receive 49 W of power when connected across a 20-V battery. What length of wire is required? You may have made an error in converting or using units. km Need Help? Read It Master It

A particular wire has a resistivity of 4.5 x 10-8 n · m and a cross-sectional area of 5.3 x 10-6 m2. A length of this wire is to be used as a resistor that will receive 49 W of power when connected across a 20-V battery. What length of wire is required? You may have made an error in converting or using units. km Need Help? Read It Master It

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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003 A wire is made of a material with a resis- tivity of 4.18635 x 10 2 - m. It has length 5.78293 m and diameter 0.78225 mm. What is the resistance of the wire? Answer in units of 2.
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