Suppose a capacitor consists of two coaxial thin cylindrical conductors. The inner cylinder of radius r, has a charge of +Q, while the outer cylinder of radius ry has charge -Q. The electric field E at a radial distancer from the central axis is given by the function: E - aer/ao + B/r + bo where alpha (a), beta (8), ag and bo are constants. Find an expression for its capacitance. First, let us derive the potential difference Voh between the two conductors. The potential difference is related to the electric field by: Edr-- Edr Calculating the antiderivative or indefinite integral, Vab " (-aage"r/a0 +B bo By definition, the capacitance C is related to the charge and potential difference by: C- Evaluating with the upper and lower limits of integration for Vab, then simplifying: (erb/a0o .efa/ao) + ß In( )+ bo( ))

Suppose a capacitor consists of two coaxial thin cylindrical conductors. The inner cylinder of radius r, has a charge of +Q, while the outer cylinder of radius ry has charge -Q. The electric field E at a radial distancer from the central axis is given by the function: E - aer/ao + B/r + bo where alpha (a), beta (8), ag and bo are constants. Find an expression for its capacitance. First, let us derive the potential difference Voh between the two conductors. The potential difference is related to the electric field by: Edr-- Edr Calculating the antiderivative or indefinite integral, Vab " (-aage"r/a0 +B bo By definition, the capacitance C is related to the charge and potential difference by: C- Evaluating with the upper and lower limits of integration for Vab, then simplifying: (erb/a0o .efa/ao) + ß In( )+ bo( ))

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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