Iron bar wrapped with a solenoid

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SUMMARY

The discussion focuses on the behavior of an iron bar when wrapped with a solenoid carrying an electric current. It is established that the iron atoms within the bar align their magnetic moments parallel to the magnetic field generated by the solenoid. Additionally, the orientation of electron spins within the iron bar also changes in response to the external magnetic field, indicating a significant interaction between the solenoid's magnetic field and the atomic structure of the iron.

PREREQUISITES
  • Understanding of electromagnetism principles
  • Knowledge of atomic structure and electron behavior
  • Familiarity with magnetic fields and their effects on materials
  • Basic concepts of solenoids and their operation
NEXT STEPS
  • Research the effects of magnetic fields on ferromagnetic materials
  • Study the principles of solenoid design and applications
  • Explore the quantum mechanics of electron spin and magnetic moments
  • Learn about hysteresis in magnetic materials
USEFUL FOR

Physicists, electrical engineers, materials scientists, and anyone interested in the interaction between magnetic fields and ferromagnetic materials.

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What is happening within an iron bar/iron core when it is wrapped by a solenoid with current running through the solenoid? Do electrons within the bar get displaced?
 
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One of the things that will happen is that iron atoms will orient so that their magnetic moments are more parallel to outer magnetic field (from the solenoid). also orientation of electrons spin changes.
 
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