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The electromagnet attracts the metal plate to hold the door open The electromagnet is connected to a fire alarm circuit When the fire alarm sounds,
The ends of a magnet attract or repel each other and attract some metals particularly iron and steel This attraction is due to the magnetic pole of magnets
1 juil 2021 · Non-ferrous metals must go through a two-step process in which a voltage is applied to the metal to temporarily induce a current in it, which
both attract an repel) because of the movements in the liquid iron core 5 An induced magnet becomes a magnet when placed in a magnetic field and
4) Have each student test what kinds of materials magnets are attracted to by placing a magnet on the metal and non-metal samples and
designed our programs to meet the needs and interests of both students and Define a magnet as a material that attracts iron and materials containing
30 mar 2015 · attracted to magnets? None of the non-metal objects are attracted to the magnet Some of the metals are attracted to the magnet Some of
this mineral could attract pieces of iron metal parts from its nonmetal parts aligned smaller magnets, even the smallest pieces have both a
18 fév 2019 · Table 14 2 Electrical resistivity of some metals and their alloys the material has both metal and non-metal properties and usually