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You are provided with an iron needle. How will you magnetize it?
1. Place a piece of iron needle or a nail on the table.
2. Place of a bar magnet near one edge of the iron needle or a nail.
3. Till you reach the other end, along the of the iron needle or a nail.
4. Now, bring the pole to the of the iron needle or a nail and move it in the again.
5. Note that the pole of the magnet and its direction .
6. Repeat this process around .
7. Now, check whether it has become a magnet by placing some near the piece of an iron needle or a nail.
8. If not, again until it gets magnetized.
9. By this method of , we can convert an iron needle into a magnet.
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