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A copper (Cu) wire with a radius of 4 mm is connected to the end with an aluminum (Al) wire with a radius of 2 mm. Since a current of 20π milliamperes (mA) flows through the wires, which of the following is the current density in each wire correctly

A copper (Cu) wire with a radius of 4 mm is connected to the end with an aluminum (Al) wire with a radius of 2 mm. Since a current of 20π milliamperes (mA) flows through the wires, which of the following is the current density in each wire correctly

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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A copper (Cu) wire with a radius of 4 mm is connected to the end with an aluminum (Al) wire with a radius of 2 mm. Since a current of 20π milliamperes (mA) flows through the wires, which of the following is the current density in each wire correctly?

Cu Al
Transcribed Image Text:Cu Al
O Jcu = 2.5 A/m² JAL = 1.25 A/m² ve O Jcu = 1.25 A/m² ve JAL = 5 A/m? %3D O JCu = 5 x 10³ A/m2 JAL = 10 x 10° A/m2 ve %3D O Jcu = 1.25 x 10 A/m2 JAL = 5 x 10° A/m² ve O Jcu = 2.5 x 102 A/m2 JAL = 1.25 x 10² A/m2 %3D ve %3D
Transcribed Image Text:O Jcu = 2.5 A/m² JAL = 1.25 A/m² ve O Jcu = 1.25 A/m² ve JAL = 5 A/m? %3D O JCu = 5 x 10³ A/m2 JAL = 10 x 10° A/m2 ve %3D O Jcu = 1.25 x 10 A/m2 JAL = 5 x 10° A/m² ve O Jcu = 2.5 x 102 A/m2 JAL = 1.25 x 10² A/m2 %3D ve %3D
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