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A copper wire of radius a -0.248 mm has an aluminum jacket of outer radius b = 0.304 mm. There is a current i - 2.21 A in the composite wire. Take the resistivity for copper and aluminum to be 1.69 × 10-80-m and 2.75 x 10-80-m. Calculate the current in (a) the copper and (b) the aluminum. (c) If a potential difference V-11.6 V between the ends maintains the current, what is the length in meters of the composite wire? (a) Number i 1.15 Units A (b) Number i 1.06 Units A (c) Number i 116 Units m >

A copper wire of radius a -0.248 mm has an aluminum jacket of outer radius b = 0.304 mm. There is a current i - 2.21 A in the composite wire. Take the resistivity for copper and aluminum to be 1.69 × 10-80-m and 2.75 x 10-80-m. Calculate the current in (a) the copper and (b) the aluminum. (c) If a potential difference V-11.6 V between the ends maintains the current, what is the length in meters of the composite wire? (a) Number i 1.15 Units A (b) Number i 1.06 Units A (c) Number i 116 Units m >

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 wire of radius a = 0.248 mm has an aluminum jacket of outer radius b = 0.304 mm. There is a current i = 2.21 A in the composite wire. Take the resistivity for copper and aluminum to be 1.69 × 10-80-m and 2.75 × 10-80-m. Calculate the current in (a) the copper and (b) the aluminum. (c) If a potential difference V = 11.6 V between the ends maintains the current, what is the length in meters of the composite wire? (a) Number i 1.15 Units A (b) Number i 1.06 Units A (c) Number i 116 Units m
Transcribed Image Text:A copper wire of radius a = 0.248 mm has an aluminum jacket of outer radius b = 0.304 mm. There is a current i = 2.21 A in the composite wire. Take the resistivity for copper and aluminum to be 1.69 × 10-80-m and 2.75 × 10-80-m. Calculate the current in (a) the copper and (b) the aluminum. (c) If a potential difference V = 11.6 V between the ends maintains the current, what is the length in meters of the composite wire? (a) Number i 1.15 Units A (b) Number i 1.06 Units A (c) Number i 116 Units m
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