Are Electricity and Magnetism Related or Inverses of Each Other?

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Discussion Overview

The discussion centers on the relationship between electricity and magnetism, specifically whether they are related or considered inverses of each other. Participants explore theoretical implications and reference established equations in physics, such as Maxwell's equations.

Discussion Character

  • Debate/contested
  • Technical explanation
  • Conceptual clarification

Main Points Raised

  • Some participants question if the phenomena of a moving charge creating a magnetic field and a moving magnet inducing an electric current imply a relationship or inverse nature between electricity and magnetism.
  • One participant suggests that while they are not "inverses," electricity and magnetism can be viewed as the same phenomenon from different reference frames, as supported by Maxwell's equations.
  • A reference to the Lorentz transformations highlights the symmetry between electric and magnetic field transformations, suggesting a deeper connection between the two concepts.
  • Some participants express unfamiliarity with Maxwell's equations, indicating a gap in knowledge that affects the discussion.

Areas of Agreement / Disagreement

Participants do not reach a consensus on whether electricity and magnetism are inverses or related concepts. Multiple viewpoints are presented, with some arguing for a unified perspective and others remaining uncertain or uninformed about the underlying equations.

Contextual Notes

Some participants express a lack of familiarity with Maxwell's equations, which may limit their contributions to the discussion. The discussion also reflects varying levels of understanding of the theoretical concepts involved.

thomasxc
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does the fact that a moving charge creates a magnetic field, and a moving magnet creates an electric current, imply that the two are related or inverses of each other?




-Tom
 
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thomasxc said:
does the fact that a moving charge creates a magnetic field, and a moving magnet creates an electric current, imply that the two are related or inverses of each other?




-Tom

Isn't that what has already been shown in Maxwell equations?

Zz.
 
thomasxc said:
does the fact that a moving charge creates a magnetic field, and a moving magnet creates an electric current, imply that the two are related or inverses of each other?




-Tom


Well they're not "inverses" of each other but they are the same thing. What you view as an electrostatic phenomena a person moving along relative to you would view as a magnetic phenomena. It's really semantics to say which is which. However, if both of you calculated the result of this phenomena (say a charge stationary relative to you attracting a moving charge towards it) using maxwell's equations you'd both get identical answers. He'd just think it was because of magnetism and you'd think it was because of electrostatics. You'd BOTH be right from your respective reference frames.
 
The relativistic Lorentz transformations from the unprimed reference frame to the primed reference frame for electric and magnetic fields are shown in the last four lines in:
http://pdg.lbl.gov/2002/elecrelarpp.pdf
Note the symmetry (except for the minus sign) between the E and B field transformations in the column labelled Gaussian units.
 
ZapperZ said:
Isn't that what has already been shown in Maxwell equations?

Zz.



i wouldn't know, Zz. i am not familiar with them.
 
huh. that's cool.
 

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