Describe the process of magnetising an iron rod
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Begin at one end of the rod and rub the magnet down the length of the rod in one continuous movement. Continue stroking the rod with the magnet until the rod has the desired magnetic strength. You may want to periodically test the magnet, as there is no specific number of strokes to use.
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The coil produces a magnetic field when current flows. This causes the iron molecules in the steel rod to align with the magnetic field. The iron molecules act like little magnets and when they are all aligned the same way, the steel becomes a magnet.
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