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Magnetic pole | Earth, Magnetism, Reversal | Britannica
https://www.britannica.com/science/magnetic-pole
WEBMagnetic pole, region at each end of a magnet where the external magnetic field is strongest. A bar magnet suspended in Earth’s magnetic field orients itself in a north–south direction. The north-seeking pole of such a magnet, or any similar pole, is called a north magnetic pole.
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North magnetic pole - Wikipedia
https://en.wikipedia.org/wiki/North_magnetic_pole
WEBThe north magnetic pole, also known as the magnetic north pole, is a point on the surface of Earth's Northern Hemisphere at which the planet's magnetic field points vertically downward (in other words, if a magnetic compass needle is allowed to rotate in three dimensions, it will point straight down).
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21.1: Magnetism and Magnetic Fields - Physics LibreTexts
https://phys.libretexts.org/Bookshelves/University_Physics/Physics_(Boundless)/21%3A_Magnetism/21.1%3A_Magnetism_and_Magnetic_Fields
WEBThe magnet is made in the shape of a horseshoe to bring the two magnetic poles close to each other, to create a strong magnetic field there that can pick up heavy pieces of iron. Polarity All magnets have two poles, one called the …
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What are magnetic fields? (article) | Khan Academy
https://www.khanacademy.org/science/physics/magnetic-forces-and-magnetic-fields/magnetic-field-current-carrying-wire/a/what-are-magnetic-fields
WEBWe understand that magnets have two poles and that depending on the orientation of two magnets there can be attraction (opposite poles) or repulsion (similar poles). We recognize that there is some region extending around a magnet where this happens. The magnetic field describes this region.
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Magnetic forces (article) | Khan Academy
https://www.khanacademy.org/science/ms-physics/x1baed5db7c1bb50b:forces-at-a-distance/x1baed5db7c1bb50b:magnetic-forces/a/magnetic-forces
WEBEvery magnet has a north pole and a south pole. Either pole will attract iron. The direction of magnetic force between two magnets depends on how the poles are oriented. Opposite poles attract. Like poles repel. The strength of a magnetic force depends on the strength of the magnets and the distance between magnetic objects.
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Why does Earth have magnetic poles? | Live Science
https://www.livescience.com/planet-earth/why-does-earth-have-magnetic-poles
WEBSep 11, 2023 · News. By Joanna Thompson. published 11 September 2023. Earth is the only rocky body in the inner solar system with strong magnetic poles. But where do these poles come from, and what do they...
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Tracking Changes in Earth’s Magnetic Poles | News | National …
https://www.ncei.noaa.gov/news/tracking-changes-earth-magnetic-poles
WEBMar 28, 2016 · Scientists have determined that, in the short-term, there is no real change to Earth’s environment and no threat to life due to a pole flip. Our Historical Magnetic Declination Map Viewer shows changes in Earth’s magnetic field and geomagnetic poles from 1590 to 2020.
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The north magnetic pole just changed. Here's what that means.
https://www.nationalgeographic.com/science/article/magnetic-north-update-navigation-maps
WEBFeb 4, 2019 · Magnetic north is one of three “north poles” on our globe. First, there's true north, which is the northern end of the axis on which our planet turns. But our planet's protective magnetic...
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20.1 Magnetic Fields, Field Lines, and Force - OpenStax
https://openstax.org/books/physics/pages/20-1-magnetic-fields-field-lines-and-force
WEBA magnetic pole is the part of a magnet that exerts the strongest force on other magnets or magnetic material, such as iron. For example, the poles of the bar magnet shown in Figure 20.2 are where the paper clips are concentrated. Figure 20.2 A bar magnet with paper clips attracted to the two poles.
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Magnetic field | Definition & Facts | Britannica
https://www.britannica.com/science/magnetic-field
WEBApr 1, 2024 · Learn about magnetic fields and interactions between magnetic poles. See all videos for this article. magnetic field, a vector field in the neighbourhood of a magnet, electric current, or changing electric field, in which magnetic forces are observable.
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