What is a magnetic compass? For what purpose it is used?
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magnetic compass, in navigation or surveying, an instrument for determining direction on the surface of Earth by means of a magnetic pointer that aligns itself with Earth's magnetic field. ... A magnetized needle stuck through a piece of cork makes a simple magnetic compass it's used used to find directions mainly for sea travel in older times called as Mariner's compass
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a magnetic compass is a simple device made I help of magnetic needle which help the compass to show the direction the magnetic needle always turn towards north so it was used a to to see the direction by tourist example in aeroplane driver use compass to check the direction that he go wrong or right way
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