drawism Magnetism has been known for thousands of years, though until relatively lately (ca. 1820) the solo attracters were naturally occurring charismatic rocks called lodestones ( drawite). The word magnetism derives from the order of magnesium oxide in Asia Minor where lodestones were found. These lodestones were observed to attract bits of smoothing iron, on the button homogeneous a kitchen magnet which is attracted to your refrigerator door. The space slightly the magnet is the site of the magnetic field, where the magnetic force is tangle by the bit of iron. At each point close to the magnet, the magnetic field has both strength and a direction. # Magnet some(prenominal) substance that? attract iron towards itself ? When suspended freely always rest in N-S direction, is referred to as a magnet. # attractorISM The phenomenon of attracting iron towards itself and pointing in M-s direction is called magnetism. # DIFFERENCE BETWEEN magnetised AND NON MAGNETIC SUBSTANCE magnetic substance Magnetic substance be those that give the sack be attracted by a magnet and can be converted into a magnet Eg Iron, Nickel cobalt etc. Non magnetic substance Non magnetic substances are those that cannot be attracted by a magnet and cannot be converted into a magnet.
Eg silver, gold, aluminium # Natural magnet: - Example MAGNETITE (Fe3O4) # sentimental Magnet: - Horse shoe magnet and Bar magnet cavalry SHOE MAGNET Q Why magnet is referred to as lodestone or leading stone? PROPERTIES OF A MAGNET 1. A FREELY hang MAGNET ALWAYS peace of mind IN N-S DIRECTION. The end line r north is called north pole or north desir! e pole and the pole facing south is called South rod or south pursuit pole. 2. MAGNETISM IS THE STRONGEST AT THE ENDS OF THE MAGENTS AND THESE ENDS atomic number 18 CALLED POLES. 3. same POLES REPEL each OTHER AND UNLIKE POLES eviscerate EACH OTHER. 4. POLES ALWAYS EXIST IN PAIRS AND CANNOT BE ISOLATED. Q Desha wishes to separate the poles of a magnet. Will she be able to do? If yes then swing your answer and if not,...If you want to get a full essay, limit it on our website: OrderCustomPaper.com
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