Consider a carbon rod resistor that has a uniform cross-sectional area of 5.00 mm-. When a potential difference of 3.5 V is applied across the ends of the rod, the rod carries a current of 0.40 A. Find the rod's length (in cm) if its resistivity is p=3.5 x 10- Ω. m.

Consider a carbon rod resistor that has a uniform cross-sectional area of 5.00 mm-. When a potential difference of 3.5 V is applied across the ends of the rod, the rod carries a current of 0.40 A. Find the rod's length (in cm) if its resistivity is p=3.5 x 10- Ω. m.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter17: Current And Resistance

Section: Chapter Questions

Problem 17P: A potential difference of 12 V is found to produce a current of 0.40 A in a 3.2-m length of wire...

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