• Magnets
• Magnetic poles
• Materials and magnets
• Magnetic needle
• Terrestrial magnetism
• The compass
• Magnetic interactions
• Magnetic levitation
• Magnetic field
• Magnetic induction
• How to create a magnet
• The magnetic effect of the electric current
• Electromagnet
• The attractive power of a coil
• Electric bell
B10
Magnets and electromagnets
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