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How can you magnetise an iron needle using a bar magnet? Answer? |
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Answer» a needle with the north end of a bar magnet around 50 times, lifting between strokes. Stroking from tail to TIP pulls the needle's iron atoms into alignment, turning the needle into a weak TEMPORARY magnet. Attach the magnetised needle to your circle of cork with TACK and CAREFULLY place it into a dish of WATERI hope this will help youIf not then comment me |
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