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Experimenting with Magnetism
27. September
The exhibition of different magnetic experiments includes:
– Gaussian cannon: a magnet attracts an iron ball, which is transferred to another ball attracted by another magnet
– Magnetic machine: shows the Curie temperature, where the magnet cools and remagnetises
– Free-falling magnet in a copper tube: the magnet changes the magnetic field density, triggering induced currents and generating forces in the tube.
– Determining gravitational acceleration with a falling magnet: measuring voltage with a Vernier interface
– Individual experimentation: visitors can make magnetic devices such as magnetic plasticine or magnetic machines using batteries, copper wires and small magnets.
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