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प्रश्न
Explain the mechanism of attraction of iron nails by a magnet when brought near them.
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उत्तर
When iron nails are brought near one end of a magnet, the nearer end of piece acquires an opposite polarity by magnetic induction. Since unlike poles attract each other, therefore, iron nails are attracted towards the end of the magnet. Thus, the iron nail first becomes a magnet by induction and then it is attracted.
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संबंधित प्रश्न
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Select the correct option:
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Soft iron keepers help to prevent the magnets from losing their magnetic properties.
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Magnetic field lines always repel each other and do not intersect.
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State the inference drawn about the direction of the magnetic field lines on the basis of the following diagrams.
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| Figure 'a' | Figure 'b' |


