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qomoco
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Why does one "dips" down and the other rotates?
A dip needle compass is specifically designed to measure the inclination or dip angle of the Earth's magnetic field, while a normal compass is used for general navigation and orientation.
A dip needle compass uses a magnetized needle or bar that is suspended on a pivot point to align with the Earth's magnetic field. The angle of the needle's alignment can indicate the dip angle of the magnetic field.
A dip needle compass is most useful for navigation in areas where there are significant variations in the Earth's magnetic field, such as near the magnetic poles. It is also used in geology and mining to study the Earth's magnetic field and rock formations.
While a dip needle compass is not specifically designed for general navigation, it can still be used for basic orientation and direction finding. However, it may not be as accurate as a normal compass.
Yes, there are several limitations to using a dip needle compass. It may not work accurately in areas with high levels of magnetic interference, such as near power lines or large metal objects. It also requires frequent calibration and is less precise than a normal compass.