A 57.0-m length of coaxial cable has an inner conductor that has a diameter of 2.58 mm and carries a charge of 8.10 µC. The surrounding conductor has an inner diameter of 7.27 mm and a charge of -8.10 µC. Assume the region between the conductors is air. (a) What is the capacitance of this cable? C = %3D nF (b) What is the potential difference between the two conductors? AV = kV

A 57.0-m length of coaxial cable has an inner conductor that has a diameter of 2.58 mm and carries a charge of 8.10 µC. The surrounding conductor has an inner diameter of 7.27 mm and a charge of -8.10 µC. Assume the region between the conductors is air. (a) What is the capacitance of this cable? C = %3D nF (b) What is the potential difference between the two conductors? AV = kV

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter20: Electric Potential And Capacitance

Section: Chapter Questions

Problem 39P

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Dielectric Constant Of Water

Water constitutes about 70% of earth. Some important distinguishing properties of water are high molar concentration, small dissociation constant and high dielectric constant.

Electrostatic Potential and Capacitance

An electrostatic force is a force caused by stationary electric charges /fields. The electrostatic force is caused by the transfer of electrons in conducting materials. Coulomb’s law determines the amount of force between two stationary, charged particles. The electric force is the force which acts between two stationary charges. It is also called Coulomb force.

Question

A 57.0-m length of coaxial cable has an inner conductor that has a diameter of 2.58 mm and carries a charge of 8.10
µC. The surrounding conductor has an inner diameter of 7.27 mm and a charge of -8.10 µC. Assume the region
between the conductors is air.
(a) What is the capacitance of this cable?
C =
%3D
nF
(b) What is the potential difference between the two conductors?
AV =
kV

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