Name the magnet which is formed after this process.
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6th
Physics
Fun with Magnets
Make your Own Magnet
List four methods of magnet...
Physics
List four methods of magnetizing a magnetic substance.
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Methods of magnetizing a magnetic material are :
1. Single-touch method — A magnet is rubbed along the magnetic substance from one end to another.
2. Double-touch method — Opposite poles of two magnets are placed next to each other at the center of the magnetic substance and rubbed in opposite direction along it.
3. Magnetizing by Induction — It is a method to make temporary magnets under the influence of a magnetizing force. The magnetic properties disappear when the influence of the magnetizing force is removed.
(A permanent magnet is brought close to the magnetic substance but not touched.)
4. Electric current — A magnet made by using electric current is called an electromagnet. It is a temporary magnet and stops behaving like a magnet when the current is stopped. Electromagnets can become permanent magnets if certain materials like steel and special alloys are placed in a coil and very strong current is passed through the coll.