Gauss Law: Proofs and Electromagnetism Resources

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Discussion Overview

The discussion revolves around Gauss's Law, specifically its proofs and the underlying principles of electromagnetism. Participants explore the validity of the law, its derivation from Coulomb's Law, and seek resources for further study.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested
  • Homework-related

Main Points Raised

  • One participant questions the precise proof of Gauss's Law and its applicability regardless of charge distribution within a surface.
  • Another participant suggests that Gauss's Law can be derived from Coulomb's Law, referencing a specific section in a Wikipedia article for proof.
  • A recommendation is made for the book "Introduction to Electrodynamics" by David J. Griffiths as a resource for learning about electromagnetism.
  • One participant asserts that every Gaussian surface can be described as a point charge, linking the electric field to the number of field lines per area.
  • A later reply expresses relief at the existence of a precise proof applicable to various shapes, despite finding the proof complicated.
  • Another participant expresses confusion regarding the assertion that a Gaussian surface can be described as a point charge, seeking clarification on this point.

Areas of Agreement / Disagreement

Participants do not reach a consensus on the interpretation of Gaussian surfaces or the implications of Gauss's Law. Multiple competing views and uncertainties remain regarding the proof and its applications.

Contextual Notes

Some statements rely on assumptions about the nature of electric fields and Gaussian surfaces, and the discussion includes unresolved questions about the clarity of the proof and its applicability to different geometries.

Who May Find This Useful

This discussion may be useful for students and enthusiasts of electromagnetism, particularly those seeking to understand Gauss's Law and its proofs, as well as those looking for recommended resources in the field.

Mahmoud Shaban
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about gauss law!

is there any precise proof for gauss law?
why ø=q/ε always regardless how the charge is distributed inside the surface
and if anyone know a good book for electromagnetism please type its name for me..
thank u
 
Last edited by a moderator:
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Try Introduction to Electrodynamics by David J. Griffiths
 
Every guassian surface can be described as a point charge. Electric field equals firce field lines per area. So the number of field lines equals e times a.
 
thank u all
SteamKing, although the proof is complicated for me (advanced calculus for my level) , i`m relieved to know at least that there is a precise proof applicable for all shapes not only spheres! so thank u again
 
jaredvert said:
Every guassian surface can be described as a point charge. Electric field equals firce field lines per area. So the number of field lines equals e times a.

sorry,, i don`t get what you are trying to say..
why would we describe a gaussian surface as apoint charge??
 

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