Understand the Different types of magnetic substances. Click on the link to Watch the VIDEO explanation: Watch Video
When we bring a piece of iron near a magnet, it gets attracted to a magnet. Iron and steel are not the only elements which can be magnetized. In fact most of the materials are magnetic. Michael Faraday, an English physicist classified magnetic substances into three classes namely diamagnetic, paramagnetic and ferromagnetic substances. Click on each to know more. Diamagnetic substances are feebly repelled by a magnetic field. E.g. bismuth, lead, mercury, copper, diamond, gold, silver and silicon. If a lead rod is suspend in a magnetic field, it slowly align itself in right angles to the field. Behaviour of diamagnetic substance is independent of temperature. Paramagnetic substances are attracted by a magnetic field. If an aluminium rod is suspend in a magnetic field, it slowly align itself along the field. E.g. aluminium, platinum, chromium, magnesium, tungsten and calcium. Paramagnetic substance when placed in a magnetic field is feebly magnetized in the direction of the field. Temperature has an adverse effect on them. Due to rise in temperature paramagnetic substance tend to lose its magnetism. Ferromagnetic substances exhibit strong magnetic properties. E.g. Iron, cobalt, steel, nickel and Alnico. Ferromagnetic substance when placed in a magnetic field is quickly align itself in the direction of the field and is strongly magnetized in the direction of the field. Temperature has an adverse effect on them. Due to rise in temperature Ferromagnetic substance tend to lose its magnetism.
When we bring a piece of iron near a magnet, it gets attracted to a magnet. Iron and steel are not the only elements which can be magnetized. In fact most of the materials are magnetic. Michael Faraday, an English physicist classified magnetic substances into three classes namely diamagnetic, paramagnetic and ferromagnetic substances. Click on each to know more. Diamagnetic substances are feebly repelled by a magnetic field. E.g. bismuth, lead, mercury, copper, diamond, gold, silver and silicon. If a lead rod is suspend in a magnetic field, it slowly align itself in right angles to the field. Behaviour of diamagnetic substance is independent of temperature. Paramagnetic substances are attracted by a magnetic field. If an aluminium rod is suspend in a magnetic field, it slowly align itself along the field. E.g. aluminium, platinum, chromium, magnesium, tungsten and calcium. Paramagnetic substance when placed in a magnetic field is feebly magnetized in the direction of the field. Temperature has an adverse effect on them. Due to rise in temperature paramagnetic substance tend to lose its magnetism. Ferromagnetic substances exhibit strong magnetic properties. E.g. Iron, cobalt, steel, nickel and Alnico. Ferromagnetic substance when placed in a magnetic field is quickly align itself in the direction of the field and is strongly magnetized in the direction of the field. Temperature has an adverse effect on them. Due to rise in temperature Ferromagnetic substance tend to lose its magnetism.
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