Magnet Investments

How Magnetism Magnets

Magnets have magnetic fields that attract items containing iron. For example, some of the substances attracted by magnets are iron, nickel and steel. The magnets are used for a variety of purposes, ranging from paste items to the doors of the refrigerator until the creation of compasses, operate the roller coasters and the conversion of mechanical energy into electrical energy, magnets are also used in some toys. To understand how magnets work, have to determine the dynamics of the magnetic field, which is the space surrounding a magnet; This space is occupied by a magnetic force. A magnetic field is created as a result of the movement of loads. A good example of this is the electric current flowing through a wire. When this occurs, and not have negative charge, subatomic particles, called electrons, they move through the wire.

As these loads are moved, you form a magnetic field around the wire. Of the same mode, the magnetic field of a magnet is created by the movement of electrons. The magnetic field of a magnet attracts or repels certain metals, as well as other magnets. A magnet has two ends that are known as the poles. One of the poles is called North and the other is known as the South, to the magnets attract each other, they should be placed opposite ends of two magnets near each other. If the same poles of two magnets near are located, the opposite will occur and the magnets will repel each other.

Although the majority of people is familiar with refrigerator magnets, there are many other types of magnets and are classified as permanent, temporary, and electromagnetic. Permanent magnets hold its magnetic properties for an extended time period while the temporary magnets lose their magnetism more quickly. An electromagnet, by contrast, is the one created using electricity, their strength can be modified on the basis of that electric current allows you to move through.

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