College Physics
College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Question

Wire C and wire D are made from different materials and have length LC = LD = 3.6 m. The resistivity and diameter of wire C are 4.8 × 10-6 Ω·m and 1.06 mm, and those of wire D are 4.0 × 10-6 Ω·m and 0.73 mm. The wires are joined as shown in the figure and a current of 4.3 A is set up in them. What is the electric potential difference between (a) points 1 and 2 and (b) points 2 and 3? What is the rate at which energy is dissipated between (c) points 1 and 2 and (d) points 2 and 3?

**Diagram Explanation:** The image is a diagram showing a two-part cylindrical object with labeled sections. Here's the detailed explanation: - The larger cylinder on the left is labeled as section \( C \). - The smaller cylinder to the right is labeled as section \( D \). - The length of section \( C \) is denoted by \( L_C \). - The length of section \( D \) is denoted by \( L_D \). - The connection points are marked and numbered: - Point 1 marks the start of section \( C \). - Point 2 marks the transition from section \( C \) to section \( D \). - Point 3 marks the end of section \( D \). This diagram might represent a mechanical component with varying diameters, often used in engineering to demonstrate concepts such as torsion, stress, or fluid flow through differing cross-sections.
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Transcribed Image Text:**Diagram Explanation:** The image is a diagram showing a two-part cylindrical object with labeled sections. Here's the detailed explanation: - The larger cylinder on the left is labeled as section \( C \). - The smaller cylinder to the right is labeled as section \( D \). - The length of section \( C \) is denoted by \( L_C \). - The length of section \( D \) is denoted by \( L_D \). - The connection points are marked and numbered: - Point 1 marks the start of section \( C \). - Point 2 marks the transition from section \( C \) to section \( D \). - Point 3 marks the end of section \( D \). This diagram might represent a mechanical component with varying diameters, often used in engineering to demonstrate concepts such as torsion, stress, or fluid flow through differing cross-sections.
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