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प्रश्न
Bar magnets are often stored in pairs as shown in the figure. E and F being pieces of metal.
Why are E and F placed in contact with the poles of the magnets as shown in the diagram?
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उत्तर
E and F are placed in contact with the poles of magnets to preserve the strength of the magnet.
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संबंधित प्रश्न
Fill in the blank
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Angle of declination
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