Two wires made of different materials have the same uniform current density. They carry the same current only if: their cross-sectional areas are the same their lengths are the same both their lengths and cross-sectional areas are the same the electric fields in them are the same the potential differences across them are the same
Two wires made of different materials have the same uniform current density. They carry the same current only if: their cross-sectional areas are the same their lengths are the same both their lengths and cross-sectional areas are the same the electric fields in them are the same the potential differences across them are the same
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter21: Current And Direct Current Circuits
Section: Chapter Questions
Problem 10CQ
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