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

Physics for Scientists and Engineers with Modern Physics

10th Edition

ISBN:9781337553292

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter26: Current And Resistance

Section: Chapter Questions

Problem 38AP

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