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Magnetism

9 thoughts on “ Magnetism

  1. Magnetism, phenomenon associated with magnetic fields, which arise from the motion of electric charges. This motion can take many forms. It can be an electric current in a conductor or charged particles moving through space, or it can be the motion of an electron in an atomic orbital.
  2. Magnetism definition is - a class of physical phenomena that include the attraction for iron observed in lodestone and a magnet, are inseparably associated with moving electricity, are exhibited by both magnets and electric currents, and are characterized by fields of force. How to use magnetism in .
  3. Oct 25,  · Magnetism and electricity: the theory of electromagnetism Electromagnets show that you can make magnetism using electricity. In fact, as European scientists discovered in the 19th century, electricity always makes magnetism when it moves about or changes. Every time an electric current flows in a wire, it generates a magnetic field all around it.
  4. Magnetism is the force exerted by magnet s when they attract or repel each other. Magnetism is caused by the motion of electric charge s. Every substance is made up of tiny units called atoms. Each atom has electron s, particle s that carry electric charges.
  5. Magnetism is intimately linked with electricity, in that a magnetic field is established whenever electric charges are in motion, as in the flow of electrons in a wire, or the movement of electrons around an atomic nucleus.
  6. The force known as magnetism is caused by the motion of electrons. As these tiny, negatively charged particles revolve around an atomic nucleus, they create an electric current that produces a magnetic field. This invisible field is made up of closed loops called lines of force that surround and run through the atom like tiny raceways.
  7. Nov 25,  · Magnetism The ancient Greeks, originally those near the city of Magnesia, and also the early Chinese knew about strange and rare stones (possibly chunks of iron ore struck by lightning) with the power to attract iron. A steel needle stroked with such a "lodestone" became "magnetic" as.
  8. Nov 06,  · Magnetism is defined as an attractive and repulsive phenomenon produced by a moving electric charge. The affected region around a moving charge consists of both an electric field and a magnetic field. The most familiar example of magnetism is a bar magnet, which is attracted to a magnetic field and can attract or repel other magnets.
  9. Because the magnetic spins, or the magnetism created by the electrons are all canceling each other out, because it's random. But if you align the spins of the electrons, and if you align their rotations, then you will have a magnetically charged bar.

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