Two cylindrical rods, one copper (resistivity 1.72 x 10-8 Q-m) and the other iron (resistivity 9.7 x 10-8 Q-m), are identical in lengths and cross-sectional areas. They are joined end to end to form one long rod. A 12-V battery is connected across the free ends of the copper- iron rod. What is the voltage between the ends of the copper rod?
Two cylindrical rods, one copper (resistivity 1.72 x 10-8 Q-m) and the other iron (resistivity 9.7 x 10-8 Q-m), are identical in lengths and cross-sectional areas. They are joined end to end to form one long rod. A 12-V battery is connected across the free ends of the copper- iron rod. What is the voltage between the ends of the copper rod?
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 17P
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![Two cylindrical rods, one copper (resistivity 1.72 x 10-8 Q-m) and the other iron (resistivity 9.7 x 10-8 Q-m), are identical in lengths and
cross-sectional areas. They are joined end to end to form one long rod. A 12-V battery is connected across the free ends of the copper-
iron rod. What is the voltage between the ends of the copper rod?
Vcu
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Transcribed Image Text:Two cylindrical rods, one copper (resistivity 1.72 x 10-8 Q-m) and the other iron (resistivity 9.7 x 10-8 Q-m), are identical in lengths and
cross-sectional areas. They are joined end to end to form one long rod. A 12-V battery is connected across the free ends of the copper-
iron rod. What is the voltage between the ends of the copper rod?
Vcu
Number i
Save for Later
Units
L
Attempts: 0 of 3 used
Submit Answer
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