how will you convert iron into magnet
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Answer:
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UR ANSWER IS
Lay a piece of iron on the table and put the north pole in the middle and draw it over half the iron, than put the south pole on and draw it over the other half. Next is the double touch. Take two magnets put one North pole and one South pole on the middle of the iron. Draw them towards its ends, repeating the process several times.
Take a steel bar, hold it vertically, and strike the end several times with a hammer, and it will become a permanent magnet.
Take the horse shoe magnet, place it in the middle of the needle to be magnetized and draw it over one half of the needle an equal number of times. This process is affected by induction accelerated by friction.
If we have no magnets to commence with. Take a small bar of steel magnetize it by percussion, and then magnetize several small bars. Put them in a bundle with their North poles the same way and we will have a magnet for making others with."
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Answer:
Take a cell and connect both it's ends with 2 different pieces of copper wire. Now, connect both the ends of the copper wire to the piece of iron. This will turn the iron into a magnet. These kind of magnets are known as electromagnets. If you break the circuit, the electromagnet will turn into a piece of iron again, so it is temporary and is only a magnet as long as current passes through it. [Do this experiment with caution and wearing rubber gloves is recommended]