All Questions
Tagged with earth magnetic-fields
70
questions
3
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2
answers
451
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Can the Dzhanibekov Effect celestial bodies, like Earth’s crust and/or core causing the flipping of magnetic poles?
“The tennis racket theorem or intermediate axis theorem, is a kinetic phenomenon of classical mechanics which describes the movement of a rigid body with three distinct principal moments of inertia. ...
- 151
0
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0
answers
20
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Magnetic Field of Earth and Turbulence of plasma
We generally know that plasma turbulence creates magnetic field (here, I have assumed that it happens through the dynamo effect). it is also affected by magnetic fields. Is it possible that plasma ...
1
vote
2
answers
64
views
Would a compass on its side point at the ground?
From a point just north of the equator, A straight line to the Magnetic North would be through the earth. If a compass was turned on it's side, would the north pointing arrow point toward the ground ...
1
vote
1
answer
97
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Is Earth's magnetic moment vector oriented parallel or antiparallel to the sun's magnetic moment?
Just curious how these two magnets are spatially related to?
And in case there is no any special preferred particular orientation, what is anyway their spatial orientation relation (relative angles)? ...
- 4,170
1
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0
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44
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Earth magnetic field, WMM/IGRF
I am studying about World Magnetic Model (WMM) and International Geomagnetic Reference Field (IGRF) models. It is well known that, to a first approximation, earth magnetic field is a field of dipole. ...
0
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0
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137
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Does Earth's electromagnetic field rotate with Earth?
I find sources saying that Earth's magnetic field rotates with Earth, but there are few sources saying that the electromagnetic field rotates with Earth. I realize the question may have a complicated ...
- 1
-1
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1
answer
125
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Ideas for levitation using Earth's magnetic field and mu-metal [closed]
I'm not sure the idea works or not. Please answer it and its reason.
As shown in Figure 1, when the ASTM A753 Alloy2 magnetic shielding alloy is exposed to an external magnetic field, the applied ...
1
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0
answers
20
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If the liquid internal parts of the Earth solidify, what will be the consequences?
Will the Earth's radius just decrease, the daytime decrease, and the magnetic field seize to exist?
2
votes
0
answers
47
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How can we feel Earth magnetic field if we are rotating with it?
I know Earth have molten iron core and we should feel a magnetic force if we are stationary while Earth is spinning. But I'm curious how it is we can feel north and south poles so distinctly while we ...
- 13k
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1
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139
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Earth electromagnetic field
Nowadays an unlimited amount of information can be transferred around the planet using wireless methods.
Is that possible to transfer the information using natural electromagnetic field such as Earth ...
- 1
0
votes
1
answer
29
views
How is lava ferrous oxides responding to Earth's magnetic field related to Curie temperature?
One of the evidences of Earth's magnetic field oscilations are different magnetic orientations of lava particles that pop up on the surface at several volcanic locations at several chronologic stages ...
- 1,825
2
votes
4
answers
370
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Is it possible to use forces on a current carrying conductor due to Earth's Magnetic field to levitate?
When current is applied, a conductor within a magnetic field feel a force. This is the Lorentz Force. I was thinking if it is then possible to apply as much current on a conductor that it will start ...
0
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2
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501
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Do magnetic things fall faster?
Assuming correct orientation, do magnetic things fall faster than non-magnetic ones because of the magnetic field of the Earth? Of course it is clear that if any, the effect is very very small, but ...
- 101
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2
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3k
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Is Earth's North pole actualy a South pole?
As far as I am concerned, the compass is facing along the magnetic field lines on the Earth's surface which in turn points towards the North pole by its design. But for a magnet, the field lines go ...
- 275
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56
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Will a neodymium magnet levitate on ice at Earth's North and South Pole?
Will a neodymium magnet levitate on ice at NP or SP? Asking just because these magnets are powerful and the Earth magnetism is fairly stronger at poles than at the Equator.
- 1,825