What is a Magnetic compass? Where it is used?
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Compasses are mainly used in navigation to find direction on the earth. This works because the Earth itself has a magnetic field which is similar to that of a bar magnet (see the picture below). The compass needle aligns with the Earth's magnetic field direction and points north-south
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Magnetic compass is the device which helps in finding directions. It is used on the ships to find direction and forest and desert.
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