Calculate the ratio of the resistance of 14.0 m of aluminum wire 2.5 mm in diameter, to 25.0 m of copper wire 1.8 mm in diameter. The resistivity of copper is 1.68 x 10-8N.m and the resistivity of aluminum is 2.65 x 10-8 N. m. Express your answer using two significant figures. ? RAI Submit Request Answer

University Physics Volume 2
18th Edition
ISBN:9781938168161
Author:OpenStax
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Chapter9: Current And Resistance
Section: Chapter Questions
Problem 89CP: Consider a resistor made from a hollow cylinder of carbon as shown below. The inner radius of the...
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Calculate the ratio of the resistance of 14.0 m of aluminum wire 2.5 mm in diameter, to 25.0 m of copper wire 1.8 mm in diameter. The resistivity of copper is 1.68 x 10-8 N. m and the
resistivity of aluminum is 2.65 × 10-8 N · m
Express your answer using two significant figures.
?
RAI
RCu
%3D
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Request Answer
Transcribed Image Text:Calculate the ratio of the resistance of 14.0 m of aluminum wire 2.5 mm in diameter, to 25.0 m of copper wire 1.8 mm in diameter. The resistivity of copper is 1.68 x 10-8 N. m and the resistivity of aluminum is 2.65 × 10-8 N · m Express your answer using two significant figures. ? RAI RCu %3D Submit Request Answer
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