Vertical component of earth's magnetic field is zero at
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Where on the surface of earth is the vertical component of earth's magnetic field zero?
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At the magnetic poles, a dip needle stands vertical (dip=90 degrees), the horizontal intensity is zero, and a compass does not show direction. At the north magnetic pole, the north end of the dip needle is down; at the south magnetic pole, the north end is up. At the magnetic equator the dip or inclination is zero.
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