why does value of dip increases as we move from equator to pole
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there is difference in diameter of Earth between poles and Equator by 42 kilometers..So the center of mass is near to poles than by 21 kilometers. Gravity increases as you move towards center of Earth.
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at the magnetic equator you will have the needle pointing horizontally
there is no vertical component so deep angle is zero then as you move from the magnetic equator towards the magnetic pole the angle increasing towards the northern hemisphere
there is no vertical component so deep angle is zero then as you move from the magnetic equator towards the magnetic pole the angle increasing towards the northern hemisphere
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