The diagram shows a coil wound around a soft iron bar XY. State the polarity at the ends X and Y
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The magnetic fields produced by the solenoid are similar to the magnetic field produced by a magnet. As shown in the figure, polarity of a magnetic pole in a solenoid is south pole if current is flowing clockwise and north pole if current flows anti-clockwise.Polarity can also be found using right-hand thumb rule.
Thus, the polarity of the solenoid XY at X is north pole and at Y is south pole.
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