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Magnet of different shapes
After learning the method of changing the piece of iron into magnet (magnetization) we have been making and using several kinds of magnets. Such man-made magnets are called artificial magnets.
Bar-magnet, Horseshoe magnet, Ring magnet and Needle magnet are generally used artificial magnets.
Oval-shape, Disc shapes Cylindrical and magnets are also available.
Activity 1: Take a magnet. Take the magnet Closer to the objects surrounding you.
What happens? Observe and note.
The objects attracted by the magnet: Iron rod, Nail Cutter, Key chain, Motor
The objects, not attracted by the magnet: Plastic Char, Water pipe, wall, door
Which substances are used to make the objects attracted by the magnet? Iron, steel
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