You are given a knitting needle made of steel. How can you make it into a magnet?
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Explanation:
We can magnetise a steel or iron knitting needle by methods like single touch method, double touch method and by passing electric current through it. Here the single touch method is given. Single touch method: Rub the needle with a magnet ony in one direction from one end of the needle to the other. Repeat this procedure for at least 30 times with one pole of the bar magnet. Now the knitting needle would have become a magnet
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Answer:
No, we cannot make a steel needle into magnet. If it would be of iron then we could have made it into a magnet using touch stroke method. we can make a needle into a magnetic one by stroking it on a magnetic item for about 50 times.
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