A dip circle, also known as a dip needle or magnetic dip instrument, is a type of scientific instrument used to measure the angle of inclination of the Earth's magnetic field relative to the horizontal plane. This angle is known as the magnetic dip or magnetic inclination. The dip circle typically consists of: 1. **A magnetic needle:** This needle is freely pivoted and can rotate in a horizontal plane. The needle aligns itself with the local magnetic field.
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