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Earth acts as a huge bar magnet. Why? Give reasons.
A magnetic needle, when freely suspended at a point, comes to rest roughly along the direction on the Earth.
The suspended magnet demonstrates that the Earth acts like a giant , with its near the geographical poles.
A of the earth corresponds to the point where the Earth's intercepts the earth's .
The pole is located near the pole of the earth, and the pole is located near the pole of the earth.
Since unlike poles each other, the north pointer in the compass attracts the pole of the Earth.
Similarly, the north pointer in the compass eventually points to the Earth's pole. This is because the pole is located near the geographic north pole.
Likewise, the needle's pole is also attracted by the Earth's pole situated at the .
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