How Do E-Field Lines Behave Between Finite Coaxial Cylindrical Conductors?

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SUMMARY

The discussion focuses on the behavior of electric field lines between finite coaxial cylindrical conductors. It establishes that the electric field lines will not be purely radial due to the finite length of the cylinders, which affects the field distribution. The relationship between the electric fields of the two cylinders is confirmed by the equation E1/E2 = R2/R1, where R1 and R2 are the radial distances from the respective cylinders. Participants emphasize the importance of visualizing equipotential lines to understand the electric field configuration accurately.

PREREQUISITES
  • Understanding of electrostatics principles
  • Familiarity with cylindrical coordinates
  • Knowledge of electric field and equipotential concepts
  • Ability to interpret field line diagrams
NEXT STEPS
  • Study the behavior of electric fields in finite geometries
  • Learn about the derivation of electric field equations for coaxial cylinders
  • Explore simulation tools for visualizing electric field lines
  • Investigate the concept of equipotential surfaces in electrostatics
USEFUL FOR

Students in physics, electrical engineers, and anyone studying electrostatics or electric field theory, particularly in relation to cylindrical geometries.

cscott
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Homework Statement



What would the equipotential or e-field lines look like when staring down the axis of the two finite cylinders? Will the E-field lines be radial or are they different because the cylinders aren't infinite?
 
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Also, how can I verify that the electric fields equal the inverse of the radial distances

E1/E2 = R2/R1

when I have a plot of equipotential lines for the cylinders.
 

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