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What machinery or devices have magnets in them and for what purpose?
Wiki User
∙ 14y ago
The most common use of magnets and magnetism in in electric motors and generators.
The basic principle of a motor is that if a wire carrying a current is in a magnet field there will be a force on that wire. That wire will move if it can.
The basic principle of a generator is that if a wire is moving in a magnetic field then a current is induced in that wire.
Wiki User
∙ 14y ago
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It is asking how the devices are used. What is their purpose?
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