Electric field in a cylindrical capacitor

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SUMMARY

The discussion focuses on calculating the electric field (E-field) in a cylindrical capacitor using Gauss's law. Participants clarify that the E-field is not zero between the inner and outer cylinders, as there is a nonzero enclosed charge. The radial component of the E-field (Er) is derived from the surface integral of the electric field, while the z and theta components (Ez and Eθ) are confirmed to be zero. The conversation emphasizes the importance of understanding the symmetry of the problem and the correct application of Gauss's law.

PREREQUISITES
  • Understanding of Gauss's Law in electrostatics
  • Familiarity with cylindrical coordinates
  • Knowledge of electric field components (Er, Eθ, Ez)
  • Ability to perform surface and volume integrals
NEXT STEPS
  • Study the application of Gauss's Law in cylindrical geometries
  • Learn how to derive electric field components in cylindrical coordinates
  • Explore the divergence theorem and its applications in electromagnetism
  • Investigate the behavior of electric fields in different geometrical configurations
USEFUL FOR

Students and professionals in physics, particularly those studying electromagnetism, electrical engineers, and anyone interested in the theoretical aspects of electric fields in capacitors.

  • #31
athrun200 said:
In fact I have answered that question, and we are now page 2.
Can you help me to check if I get the correct answer?

...Sorry I post it on page 1 but it is now on page 2...I don't know why...
It seems all questions are solved :-)
 
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  • #32
Thanks everyone!
 

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