Em waves and magnetic field lines

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Discussion Overview

The discussion revolves around the nature of magnetic field lines in electromagnetic waves and how they can be visualized, particularly in relation to antennas. Participants explore the conceptual understanding of these phenomena.

Discussion Character

  • Conceptual clarification, Debate/contested

Main Points Raised

  • One participant expresses confusion about how magnetic field lines can be closed in the context of electromagnetic waves.
  • Another participant provides a visual representation of the magnetic field lines, suggesting a specific configuration.
  • A later reply confirms the presence of an antenna in the visualization, identifying it as a dipole antenna's radiation pattern.

Areas of Agreement / Disagreement

Participants have not reached a consensus on the visualization of magnetic field lines in electromagnetic waves, and there is ongoing exploration of the topic.

Contextual Notes

There may be limitations in the assumptions made about the visualization and the specific configurations of electromagnetic waves and antennas.

Who May Find This Useful

Individuals interested in electromagnetism, antenna theory, and the visualization of electromagnetic phenomena may find this discussion relevant.

physics user1
So i know that magnetic field lines are closed, in an electromagnetc wave how can be these lines closed? i cannot picture this in my head
 
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I believe they look something like the following:

Felder_um_Dipol.jpg
 
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Likes   Reactions: Dale and physics user1
Drakkith said:
I believe they look something like the following:

Felder_um_Dipol.jpg
Is an antenna in the middle?
 
cpxuvs said:
Is an antenna in the middle?

Yes there is. I believe that's the radiation pattern of a standard dipole antenna.
 

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