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Yes evry millinium it changes
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∙ 13y ago
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How do you reverse reverse polarity?
Earth's magnetic field lines up in a direction opposite of the present magnetic Feld
Regions of the sea floor with negative magnetic anomalies were formed during times when Earth's magnetic field was or had?
reverse polierty
Does Uruguay have a magnetic field?
The earth as a single object has a magnetic field. If Uruguay is part of the earth, it shares the earth's magnetic field.
How is the force affected when the current is reversed in a magnetic field?
The magnetic field would reverse.
How can you reverse the direction of the magnetic field in a wire produced by an electric current?
You can reverse the direction of the magnetic field by reversing the direction of the electrical current.
How long ago did the earths magnetic field reverse itself?
The last time that Earth's magnetic field reversed itself was 780,000 years ago. See the related link for two timelines showing geomagnetic reversals in Earth's history.
What is resion of Earth magnetic field?
The Earth's magnetic field is the result of electrical currents flowing in the earth.
Why is Earth's magnetic field not lined up with Earth's geographical poles?
Although the Earth's geographic axis only slightly "wobbles" over time, the magnetic field generated by its core can move, or even reverse polarity, in response to fluid dynamics in the outer core.
What creates the Earths magnetic field?
Scientists believe that it is the movements in the liquid outer core that create the magnetic field. Earth's magnetic field affects the whole planet.
What is the magnetic force of this planet called?
The magnetic force on Earth is called Earth's magnetic field or also the geomagnetic field.
Why does the earth have its own magnetic field?
The Earth's magnetic field is probably caused by convective currents in Earth's interior.
Earth's magnetic field is believed to be generated from what region?
If you mean the region of influence of the earth's magnetic field then its called the earth's magnetosphere
