Magnetic FieldsThe magnetic field on Earth may be generated on the Earth's core. It has been postulated that the Coriolis force, which may result from Earth's continuous rotation, may result in liquid iron flows that may generate electric currents and may subsequently produce magnetic fields....
it causes the rising and falling magnetic fields to push the core of the motor around. Motors are ubiquitous–at least a dozen are in your car, there is one in every appliance, there is one in your computer to turn the hard drive, and there is ...
Magnets, or the magnetic fields created by moving electric charges, can attract or repel other magnets, and change the motion of other charged particles.When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. (...
Magnetic Fields Magnetic fields can be created a few different ways, however the largest magnetic field we see is the that created by the rotating liquid outer core of the Earth. This has caused the formation of natural permanent magnets in the rocks on the Earth's surface. ...
stars: magnetic fieldsstars: neutronstars: oscillations (including pulsationsX-rays: starsThe effect of magnetic fields on the frequencies of toroidal oscillations of neutron stars is derived to lowest order. Interpreting the fine structure in the QPO power spectrum of magnetars following giant flares...
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structure. All objects in the universe are made of atoms, and each atom has a nucleus at its center. Tiny particles called electrons orbit the nucleus, creating magnetic fields around them. Magnetism occurs when the electrons spin in the same direction. As all the magnetic forces from the ele...
Metals can be magnetic and non-magnetic. The magnetic ones will produce a field around them, usually described as “ferromagnetic.” These metals are not magnetic by themselves in their natural state. Still, they can be attracted to objects that produce magnetic fields. ...
astronomers did eventually figure out what sunspots had to do with magnetic fields.从这里得到的疑问Actually they are magnetic fields.And the fact that sunspots are magnetic fields accounts for their dark appearance.That’s because magnetic fields reduce the pressure exerted on the gases inside of ...
electron. The Domain theory states that if an atom's electrons are orbiting all in different directions, their magnetic fields will cancel each other out. If, however, they are orbiting in the same direction, the atom will be magnetized. A material full of these magnetized atoms is a magnet...