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A Magnetic base works using a powerful magnet and three metallic plates.
Out of the three plates, two of them are made of Iron ( para magnetic i.e. attracted by a magnet) and the third one is made of a non para-magnetic (for example Aluminum).
The plates are made so that they make a cylindrical housing in the center in a way that the Iron plates surround the Aluminum plate.
The magnet is made of a cylindrical shape with the North and South poles on its length not on its faces(on its circular face, to understand draw two lines form top to bottom on a glass each on the opposite side.
Now when you turn the KNOB, you rotate the magnet so that the poles come in contact with the Iron plates and the base becomes magnetized.
and to de-magnetize, the KNOB is turned to make the poles face the Aluminum plate.
Hope it was Helpful
Syed Wajih Hassan
What else can I help you with?
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