Dictionary:Magnetic pole

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1. One of the two points near opposite ends of a magnet toward which the magnetic lines of force are oriented and concentrated. If the magnet is permitted to rotate about its center, the pole which points in the direction of the Earth’s north magnetic pole is the north-seeking or positive pole; the other pole is the south-seeking or negative pole. It always occurs as part of a magnetic dipole, which is the elementary source of a magnetic field. Different from magnetic dip pole. See magnetic field of the Earth. 2. The pole strength of a magnetized bar of cross-section A perpendicular to the magnetization M is MA. See Figure M-1.