If the ends X and Y of two magnets have field lines such that lines leave X and enter Y, what are the poles of X and Y?

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Multiple Choice

If the ends X and Y of two magnets have field lines such that lines leave X and enter Y, what are the poles of X and Y?

Explanation:
Magnetic field lines outside a magnet go from the north pole to the south pole. If lines are leaving end X, that end behaves as a north pole. If lines are entering end Y, that end behaves as a south pole. So X is the north pole and Y is the south pole. This is the standard way we identify poles by the direction of the field lines.

Magnetic field lines outside a magnet go from the north pole to the south pole. If lines are leaving end X, that end behaves as a north pole. If lines are entering end Y, that end behaves as a south pole. So X is the north pole and Y is the south pole. This is the standard way we identify poles by the direction of the field lines.

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