Explain about magnets in 30000 words
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Magnetism is a force of nature produced by moving electric charges. Sometimes these motions are microscopic and inside of a material known as magnets. Magnets, or the magnetic fields created by moving electric charges, can attract or repel other magnets, and change the motion of other charged particles.
A magnetic field exerts a force on particles known as the Lorentz force, according to Georgia State University's Hyper Physics website. The force acting on an electrically charged particle in a magnetic field depends on the magnitude of the charge, the velocity of the particle, and the strength of the magnetic field. The Lorentz force has the peculiar property that it causes particles to move in right angles to their original motion.
Some materials, such as iron, are known as permanent magnets, which means that they can sustain a permanent magnetic field. These are the most common forms of magnets encountered in everyday life. Other materials, such as iron, cobalt and nickel, can be given a temporary magnetic field by placing them inside of a larger, powerful field, but eventually those materials will lose their magnetism.
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