Dual Electromagnet
> Here's a great Electromagnet for classroom demonstration or general purpose use. The unit actually consists of 2 separate Electromagnets wound around a common steel rod bent into a 'U'. The unit requires a DC power source from 2 to 6 volts at 0.5 to 1.5 amps. The more power fed to coil, the stronger magnetic field it will create and the more magnetic pull. For normal use, the two coils are connected in series so that both coils generate magnetic fields in the same direction. If the coils are connected in the opposite direction, the fields will cancel each other out, producing no net magnetism. Heavy gauge wire and very sturdy construction make this a pretty tough little Electromagnet. Comes with a small metal plate and eye bolt as shown in the image above for lifting applications. Instruction sheet included.
Dual Electromagnet: $29.00
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