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Gravitron
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Why does a magnetic field remain stationary when rotated around its polar axis?
Gravitron said:Why does a magnetic field remain stationary when rotated around its polar axis?
Relay said:In response to pallidin's message #7, the iron disk does not rotate. Now what?
bjacoby said:If you mean "does a magnetic field rotate with a magnet that is rotated about it's axis" (as in say a Faraday unipolar generator with the magnets glued to the to rotating disk), the answer is that as far as I know it has never been established by experiment one way or the other which is true (rotates or not). In the case of a Faraday generator both cases give the same answer (for different reasons). However the question has been debated since the days of Faraday. A number of experiments have been proposed to make a determination (through the use of electrostatic measurements) but I've never seen a report where they were actually performed.
pallidin said:Then it is experimentally shown that the polar magnetic axis of a magnet does not rotate with a rotating magnet, else the iron disk would rotate.
Relay said:Why do you assume that a magnetic field is rigid and must rotate the iron disk?.
Look up Aharonov Bohm effect. See the figure with the electron beam and two slits inRelay said:It seems to me that nothing of any real importance about magnetism has been discovered in the last 100 years. The creation of Neodium magnets only gives us a stronger magnet but no new understanding of magnetism. If there are new facts, I wasn't able to find them on the internet.
Relay said:Bob S thanks for that link. (message #14) It was an excellent read, not that I fully understand it. It does however bring up Young's double slit experiment for more scrutiny. I've always believed that the results of Young's double slit experiment were interpreted incorrectly. I thought that the slits themselves caused the photons or electrons to deflect and show an interference pattern. When I say interference pattern I'm talking about what is observed on the view screen. The interference pattern might be a direct result of the particles interacting with the slit wall atoms. The solenoid in the Aharonov Bohm effect might be affecting the electrons in the slit walls and thereby affecting the interference pattern. The Aharonov Bohm effect could be detecting a new property of magnetism not previously observed. Or mabe the magnetic fields within the solenoid do spin and affect nutrinos which in turn affect the slit atoms.
Anyhow to get back on topic; I believe that a magnetic field is not stationary. Therefore rotating a magnet around its polar axis will have no effect.
Relay said:... I believe that a magnetic field is not stationary. Therefore rotating a magnet around its polar axis will have no effect.
Vanadium 50 said:A field is a number (or set of numbers) defined for each point in space. As such, it's difficult to even define what it means for a field to move.
A magnetic field remains stationary because it is a fundamental property of magnetism. As long as there is no external force or interference, magnetic fields will remain in a fixed position.
Magnetic fields maintain their strength due to the alignment of the magnetic particles within the field. These particles create a force that keeps the field in place and at a constant strength.
Yes, a magnetic field can change over time due to external factors such as the movement of magnetic objects or changes in the Earth's magnetic field. However, the strength and position of the field will remain constant unless acted upon by an external force.
The strength of a magnetic field can be affected by several factors, including the distance from the source of the field, the size and strength of the magnetic object creating the field, and any external forces acting on the field.
Yes, a magnetic field can disappear if the magnetic particles within the field become misaligned or if the object creating the field loses its magnetic properties. However, this is a rare occurrence and typically only happens in extreme circumstances.