Take a piece of Steel or Iron and magnetize it. Check it for its magnetization. Now demagnetize it and check it for its demagnetization. How did you do that? Explain your experience with your observations. Draw the diagrams if necessary.
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Magnetization:
Place the magnet at one end of the piece of metal. The magnet must make as much contact with the metal as possible. Place light pressure on the magnet and rub the metal in one direction only. Magnetization will take some time to accomplish so continue rubbing until the iron or steel attracts other pieces of metal.
Demagnetization:
A small piece of steel can be struck with a hammer to demagnetize it. Place the item on a hard, secure, non-metallic surface and hit it sharply a few times with a hammer. The shock of being struck transmits energy through the steel, which rearranges the order of its atoms and lowers its magnetic output.
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