Difference between a magnetic field and an electric field

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SUMMARY

The discussion clarifies the fundamental differences between magnetic fields and electric fields, emphasizing that while both are aspects of electromagnetism, they operate under distinct principles. A proton experiences a change in kinetic energy (Ek) when subjected to an electric field due to the force exerted on it, whereas it does not experience such a change in a magnetic field. The Lorentz force equation, which describes the force on a charged particle in both fields, is a key concept in understanding these differences.

PREREQUISITES
  • Understanding of basic electromagnetism concepts
  • Familiarity with the Lorentz force equation
  • Knowledge of kinetic energy in physics
  • Basic principles of charged particles and their interactions
NEXT STEPS
  • Study the Lorentz force equation in detail
  • Explore the relationship between electric fields and potential energy
  • Investigate the behavior of charged particles in magnetic fields
  • Learn about electromagnetic waves and their properties
USEFUL FOR

Students of physics, educators teaching electromagnetism, and anyone seeking to deepen their understanding of the interactions between electric and magnetic fields.

Nicholas.D
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Homework Statement


Describe the difference between a magnetic field and an electric one.



Homework Equations


N/A


The Attempt at a Solution


I thought the two were the same or at least linked somehow. I don't understand why a proton will not achieve an increase of decrease in Ek when going through a magnetic field, but will under an electric field.
 
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Hi Nicholas! :smile:

Have a look at http://en.wikipedia.org/wiki/Lorentz_force" :wink:
 
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