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A 1,200 mm long copper wire has a cross-sectional radius of 0.5 cm. (a) What is the resistance of the wire? (resistivity = 1.868 x 10* -8 at 30-degree Celsius, alpha = 0.0086). (b) What is the resistance at 60-degree Celsius? (C) If 350 mA of current flow through the wire, what does the voltage drop of the wire at 30-degree Celsius? And (d) What is the voltage drop per meter at 30-degree Celsius?

A 1,200 mm long copper wire has a cross-sectional radius of 0.5 cm. (a) What is the resistance of the wire? (resistivity = 1.868 x 10* -8 at 30-degree Celsius, alpha = 0.0086). (b) What is the resistance at 60-degree Celsius? (C) If 350 mA of current flow through the wire, what does the voltage drop of the wire at 30-degree Celsius? And (d) What is the voltage drop per meter at 30-degree Celsius?

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 1,200 mm long copper wire has a cross-sectional radius of 0.5 cm. (a) What is the resistance of the wire? (resistivity = 1.868 x 10^ -8 at 30-degree Celsius, alpha = 0.0086). (b) What is the resistance at 60-degree Celsius? (c) If 350 mA of current flow through the wire, what does the voltage drop of the wire at 30-degree Celsius? And (d) What is the voltage drop per meter at 30-degree Celsius?
Transcribed Image Text:A 1,200 mm long copper wire has a cross-sectional radius of 0.5 cm. (a) What is the resistance of the wire? (resistivity = 1.868 x 10^ -8 at 30-degree Celsius, alpha = 0.0086). (b) What is the resistance at 60-degree Celsius? (c) If 350 mA of current flow through the wire, what does the voltage drop of the wire at 30-degree Celsius? And (d) What is the voltage drop per meter at 30-degree Celsius?
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