Lenz's Law Diagram: Understanding the Principles and Applications

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SUMMARY

This discussion centers on Lenz's Law and its application to magnetic fields and induced currents in coils. The key points include the relationship between a moving magnet and the induced current in a coil, where the induced current creates a magnetic field that opposes changes in the original magnetic field. The diagrams referenced illustrate scenarios where the magnetic field strength changes as the magnet moves closer or further from the coil, demonstrating how the induced current works to maintain a constant magnetic flux through the coil.

PREREQUISITES
  • Understanding of Lenz's Law and Faraday's Law of Electromagnetic Induction
  • Familiarity with magnetic fields and their behavior around conductors
  • Knowledge of induced currents and their effects in electrical circuits
  • Basic principles of electromagnetism and magnetic flux
NEXT STEPS
  • Study Lenz's Law in detail, focusing on its mathematical formulation and implications
  • Explore Faraday's Law of Electromagnetic Induction and its applications in real-world scenarios
  • Investigate the behavior of magnetic fields in different materials, particularly conductive versus non-conductive materials
  • Examine practical experiments demonstrating induced currents in coils using magnets
USEFUL FOR

Students of physics, electrical engineers, educators teaching electromagnetism, and anyone interested in the principles of magnetic induction and its applications in technology.

  • #31
Anybody know this?
 
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  • #32
can you tell me please? thank you.
 
  • #33
I want to say that always the electrons tend to have lower energy level and also I couldn't understand how do the field is increased when their magnetic field is opposite of the permanent magnet's field.
Noone knows this?
 
  • #34
I got to this string late, but your question is not too clear.
Maybe it will help you to say that you have to apply a force to the magnet to push to toward the loop. This increases the energy in the system.
 
  • #35
Meir Achuz said:
I got to this string late, but your question is not too clear.
Maybe it will help you to say that you have to apply a force to the magnet to push to toward the loop. This increases the energy in the system.
Why you think that it'll increase the energy, when the electrons oppose of the increase of the magnetic field? That's what I am asking.
 
  • #36
Meir Achuz?
 
  • #37
Meir Achuz said:
I got to this string late, but your question is not too clear.
Maybe it will help you to say that you have to apply a force to the magnet to push to toward the loop. This increases the energy in the system.

And why when the energy is released (when we'll pull out the permanent magnet) the electrons want to increase the energy again, by following the permanent magnet's force lines?
 

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