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Question:

A 110 g mass of aluminus is formed into a right circular.?

cylinder, shaped so that its height equals 3.5 tiems its diameterCalculate the resistance between the top and bottom forces of the cylinder at 20 degrees CelciusBCalculate the resistance between opposite forces if the same mass of aluminum is formed into a cube.

Answer:

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I'd have to agree with Baymast13 on this one.
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do you mean aluminum? forces is faces? tiems is times? resistivity Al 28.2 (nΩ-m) density Aluminum 2700 kg/m? Resistance of a wire R ρL/A ρ is resistivity of the material L is length in meters A is cross-sectional area in m? A πr? R (28.2e-9)L/A R (28.2e-9)L/πr? Volume 0.110 / 2700 kg/m? 0.0000407 m? L 3.5d 7r V 0.0000407 m? LA πr?L πr?(7r) 22r? 0.0000407 22r? r 0.0123 m A 0.000474 m? L 0.0000407 / 0.000474 0.0859 m R (28.2e-9)L/A R (28.2e-9)(0.0859) / (0.000474) R 5111 nΩ or 5.111 ?Ω .

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