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?
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?
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter2: Vectors
Section: Chapter Questions
Problem 21CQ: What is wrong with the following expressions? How can you correct them? (a) C=AB , (b) C=AB , (c)...
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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?
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