All Questions
Tagged with earth magnetic-fields
71
questions
-5
votes
1
answer
27
views
Does the Earth's Magnetic Field Affect Sleeping Position? [closed]
Does the Earth's magnetic field affect the sleeping position of a person? For sleep experience with Nature sounds, check out this video: https://www.youtube.com/watch?v=5FzjrdiUr90
3
votes
2
answers
521
views
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
votes
0
answers
20
views
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
65
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
views
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
vote
0
answers
46
views
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
votes
0
answers
137
views
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
votes
1
answer
125
views
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
vote
0
answers
20
views
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
views
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
0
votes
1
answer
139
views
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 ...
- 1,815
2
votes
4
answers
370
views
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
votes
2
answers
501
views
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
0
votes
2
answers
3k
views
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
0
votes
0
answers
56
views
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.
- 1,815
0
votes
1
answer
28
views
Are the precession and nutation of Earth's core directly connected with precession and nutation of Earth's magnetic field if they are present?
If the magnetic field of Earth is generated in the core of the Earth can we deduce core's precession cycle by measuring the precession of Earth's magnetic field (not Earth as a material object) or the ...
- 2,255
0
votes
1
answer
127
views
Problem on Angle of declination [closed]
There was a problem in my book that read- A magnet is pointing towards geographic north at a place where the horizontal component of the Earth's magnetic field is 40 microtesla. Magnetic dipole ...
- 1,638
-2
votes
2
answers
272
views
Does magnetic field exist throughout space?
My question is quite subjective and I could not find a suitable explanation to whether there is a magnetic field in space beyond earth .I read one of the article stating
Interstellar dust clouds have ...
- 1,200
0
votes
1
answer
395
views
Magnetic field in a Tangent Galvanometer
I was reading about the tangent galvanometer online. I came across a youtube video : https://www.youtube.com/watch?v=wIuAnP9xfxw .
It said that the field produced by the circular coil of the ...
2
votes
0
answers
156
views
Can Earth's Magnetic Field Be as Less as -85μT and as Much as +70.46μT?
What did create the question?
I was analyzing a data set where the researchers have used objective data. They have calculated earth's magnetic field through sensors and that research was conducted in ...
- 129
2
votes
0
answers
56
views
Ocean warming by induced electric current for wandering magnetic poles?
In a post on the co-rotation of Earth and its magnetic field (Does the geomagnetic field rotate?), John Rennie raised the point that, if Earth's magnetic field were rotating about its dipole axis, it ...
- 21
2
votes
1
answer
242
views
Do we need to know Earth's magnetic field locally?
I'm a high school student and in our course we have elements of earth's magnetic field (dip and other stuff) that lets us know the value and direction of magnetic field at any point on the planet.
I ...
- 1,039
2
votes
0
answers
20
views
Being the Earth modelized as a big magnet (or solenoid), which would be the field intensity of such a model inside the solenoid or magnet axis?
This question has arisen from the Carl Friedrich Gauss’ statement that the Earth could be modeled, concerning his calculations about the earth’s magnetic potential, as a big magnet, himself having ...
0
votes
2
answers
45
views
Can magnets be arranged to interact with earths magnetic field to produce force?
Is it possible to arrange one or more magnets along with iron/ferric guides to interact with our planets magnetic field in such a way that a force is generated in one or more directions?
Would a ...
- 133
1
vote
5
answers
2k
views
Why does the Earth not lose its magnetism?
A magnet loses its magnetic properties when subjected to heat, the Earth's core is also hot but still it has magnetic properties, Why?
- 676
0
votes
1
answer
333
views
Cutting of Magnetic Flux
My book reads :
If a player runs along north south direction, no magnetic field lines are cut.
So my question is that how is this possible because the vertical lines are still perpendicular to his ...
6
votes
2
answers
768
views
Shape of Earth's magnetic field
Why earth's magnetic field is compressed on day side and extended like tail on night side, like this
I know that it's due to solar wind but not how that compression and extension happens.
- 143
2
votes
1
answer
17k
views
Angle of declination and angle of dip
Question:
The plane of a dip circle is set in geographic meridian and the apparent dip is $\delta_1$. It is then set in a vertical plane perpendicular to the geographic meridian. The apparent dip ...
- 21
-1
votes
1
answer
654
views
What happens if Earth loses its magnetic field?
Earth's magnetic field is shifting at a high speed does this mean earth will lose its magnetic field and if it does are we in danger or if it doesn't what are consequences of the poles shifting
- 57