The space between two metallic coaxial cylinders of length L=0.45 m and radii a=1.3 cm and b=2.3 cm is completely filled with a material having a resistivity ρ=21 Ω⋅m. The figure below shows a cross section of the configuration. A) What is the resistance between the two cylinders? Give your answer with a unit of "ohm" (lower case o). For my answer I got 8355.63 ohm which was wrong. b) Find the current between the two cylinders if a potential difference of 18 Volts is maintained between the two cylinders. for my answer I got .00215 A which was wrong.

The space between two metallic coaxial cylinders of length L=0.45 m and radii a=1.3 cm and b=2.3 cm is completely filled with a material having a resistivity ρ=21 Ω⋅m. The figure below shows a cross section of the configuration. A) What is the resistance between the two cylinders? Give your answer with a unit of "ohm" (lower case o). For my answer I got 8355.63 ohm which was wrong. b) Find the current between the two cylinders if a potential difference of 18 Volts is maintained between the two cylinders. for my answer I got .00215 A which was wrong.

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

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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The space between two metallic coaxial cylinders of length L=0.45 m and radii a=1.3 cm and b=2.3 cm is completely filled with a material having a resistivity ρ=21 Ω⋅m. The figure below shows a cross section of the configuration. a) What is the resistance between the two cylinders? Give your answer with a unit of "ohm" (lower case o). b) Find the current between the two cylinders if a potential difference of 18 Volts is maintained between the two cylinders. I just dont understand how to solve this step by step. Can you help?
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