A 15 m copper wire has a cross sectional radius of 3mm. (P = 1.68×10^-8 at 20°C and A=0.0068) a. What is the resistance of the wire? b. What is the resistance at 50°C?
A 15 m copper wire has a cross sectional radius of 3mm. (P = 1.68×10^-8 at 20°C and A=0.0068) a. What is the resistance of the wire? b. What is the resistance at 50°C?
Chapter9: Current And Resistance
Section: Chapter Questions
Problem 70AP: A 10.00-meter long wire cable that is made of copper has a resistance of 0.051 ohms, (a) What is the...
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A 15 m copper wire has a cross sectional radius of 3mm. (P = 1.68×10^-8 at 20°C and A=0.0068)
a. What is the resistance of the wire?
b. What is the resistance at 50°C?
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