Which formulas describe the magnetic field/field lines?

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SUMMARY

The discussion focuses on plotting the magnetic field vector and field lines generated by a magnetic dipole located at the origin (0,0) of the xy plane. Key formulas for describing the magnetic field include the dipole moment and the magnetic field equations derived from classical physics. The user seeks guidance on visualizing these concepts effectively, and a recommended resource is provided for further reading.

PREREQUISITES
  • Understanding of magnetic dipoles and their properties
  • Familiarity with vector fields in physics
  • Basic knowledge of classical electromagnetism
  • Ability to use graphing tools or software for visualization
NEXT STEPS
  • Study the equations for the magnetic field of a dipole, specifically the formula B = (μ₀/4π) * (3(m·r)r - m r²) / r⁵
  • Learn how to visualize vector fields using tools like MATLAB or Python's Matplotlib
  • Explore the concept of magnetic field lines and their significance in electromagnetism
  • Review the Wikipedia page on magnetic fields for foundational knowledge
USEFUL FOR

Students of physics, educators teaching electromagnetism, and anyone interested in visualizing magnetic fields and their properties.

ahxbshe1
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hello!
im not very familiar with electromagnetic fields and classical physics, so i turn to you for help,
a problem:
assume you have a magnetic dipole in center (0,0) of a xy plane,
i want to plot the vector of the field at an arbitary point on this plane,and to plot the filedlines, how do i do this? which formulas describe the magnetic field/fieldlines?
thankyou verymuch
ahxbshe
 
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ahxbshe1 said:
hello!
im not very familiar with electromagnetic fields and classical physics, so i turn to you for help,
a problem:
assume you have a magnetic dipole in center (0,0) of a xy plane,
i want to plot the vector of the field at an arbitary point on this plane,and to plot the filedlines, how do i do this? which formulas describe the magnetic field/fieldlines?
thankyou verymuch
ahxbshe

Welcome to the PF. This web page has a reasonable introduction to magnetic field. Does it help?

http://en.wikipedia.org/wiki/Magnetic_field

.
 

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