- #1
MPonte
What is the difference between the north pole and the south pole of a magnet?
What are the key differences between the North and South Poles of a magnet?
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Homework Help Overview
The discussion revolves around understanding the differences between the north and south poles of a magnet, focusing on magnetic field lines, magnetic moments, and the underlying principles of magnetism.
Discussion Character
- Conceptual clarification, Assumption checking, Mixed
Approaches and Questions Raised
- Participants explore the nature of magnetic field lines and their relationship to the poles of a magnet. Questions arise regarding the definitions of terms like "magnetic moment" and the specifics of how magnetic fields are generated. There is also a request for clearer explanations of concepts mentioned.
Discussion Status
The discussion includes attempts to clarify concepts, with some participants expressing confusion and seeking further explanation. References to external resources like textbooks are suggested, although one participant notes a lack of relevant information in their own materials. Visual aids are also mentioned as potentially helpful.
Contextual Notes
There are indications of language barriers affecting comprehension, as well as concerns about the quality of physics education in certain contexts. Participants are navigating these challenges while seeking to deepen their understanding of the topic.
- #2
Tide
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One way of thinking about it is that magnetic field lines start at one pole and end at the other. In other words, the direction of the field at each of the poles is the reverse of the other relative to the surface. Ulitmately, the magnetic field is the result of an electrical current (you can think of the magnetic moment of an atom or nucleus as arising from a spinning electrical charge, i.e. a current) with the direction of the field being related to the direction of the current. Clearly, the direction of the magnetic field produced by a current depends on position relative to the current.
- #3
MPonte
Thank you very much.
But due to my weak english understanding your explanation raise on me some doubts.
"One way of thinking about it is that magnetic field lines start at one pole and end at the other. In other words, the direction of the field at each of the poles is the reverse of the other relative to the surface."
Which surface?
"you can think of the magnetic moment of an atom or nucleus as arising from a spinning electrical charge, i.e. a current"
What is the magnetic moment?
"Clearly, the direction of the magnetic field produced by a current depends on position relative to the current."
Could you try to explain it better?
But due to my weak english understanding your explanation raise on me some doubts.
"One way of thinking about it is that magnetic field lines start at one pole and end at the other. In other words, the direction of the field at each of the poles is the reverse of the other relative to the surface."
Which surface?
"you can think of the magnetic moment of an atom or nucleus as arising from a spinning electrical charge, i.e. a current"
What is the magnetic moment?
"Clearly, the direction of the magnetic field produced by a current depends on position relative to the current."
Could you try to explain it better?
- #4
Tide
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The surface of the poles on the magnet you asked about.
That is the magnetic field produced by an atom or nucleus. It is the sum of those magnetic moments that are responsible for the magnetism in the magnet you asked about.
Look up "Ampere's Law" and "Biot-Savart" in your textbook. :)
- #5
MPonte
My textbook does not have any information about that. Unfortunely, the portuguese high school physics teaching is very poor. That's my opinion. But I will google for Ampere's Law and Biot-Savart. Thank you very much for your help.Tide said:
- #6
- #7
PPonte
Ouabache said:
Thank you Ouabache. This explication was very clear and simple. It helped a good deal.
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