A compass contains a magnet. The magnet responds to Earth’s magnetic field. The magnet’s north pole points north from most locations on Earth. Based on what you learned about magnetic force, make three predictions. Predict the approximate size of Earth’s magnetic field and the approximate location of its North and South Poles. Give a reason for each prediction.
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Explanation:
A freely suspended magnet points north south and this suggests that earth behaves as a magnet.
The shape of the earth's magnetic field resembles of an imaginary bar magnet of length one fifth of earth's diameter at the centre.
The axis of earth magnetic field is inclined at an angle of about 15°with geographic axis.
Hope diagram helps
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