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प्रश्न
You are provided with two identical metal bars. One out of the two is a magnet. Suggest two ways to identify the magnet.
उत्तर
There are two techniques to recognise magnets.
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Take both metal bars and place them in the iron filings, then remove them immediately. The magnet will be filled with iron filings, while the regular metal bar will have no filings.
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Place a magnet near each of the metal bars one at a time. The magnetic bar that attracts or repels the magnet is magnetic, whilst the other is not.
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