To make iron strip into a magnet, we
- Put an iron strip on the table.
- Now, take a bar magnet and place one of its poles on one end of the iron strip. Without lifting the bar magnet, move it along the length of iron strip till we reach the other end.
- Now, lift the magnet and bring the pole (the same pole we started with) to the same point of the iron strip from which we began.
- Repeat this process about 30-40 times. Bring some iron fillings near the iron strip and if the strip attracts the fillings then we interpret that that iron strip has become a magnet.
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