How to magnetise and demagnetise a screwdriver.
bigclivedotcom 0:59
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To magnetise a screwdriver, simply run it across one face of a magnet (either north or south face). The exposure to the single magnetic pole causes the driver to become magnetised.
To demagnetise it just run it along the edge of the magnet so that it passes through both the north and south fields simultaneously.
To demagnetise it just run it along the edge of the magnet so that it passes through both the north and south fields simultaneously.
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