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3-Coils-Electromagnet-field is a kind fashion product from Hema brand factory. As the manufacturer and supplier in China, we provide customized service and make newest and fashion 3-Coils-Electromagnet-field in classy quality. Contact us for lastest selling 3-Coils-Electromagnet-field and advanced items. Welcome to to place bulk orders. Low price can be discussed.

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Magnetic Field Of Current

Magnetic Field Of Current is used to observe magnetic field direction and magnetic field distribution of current magnetic field and learn right-hand rule. It consists of transparent base, square coil, circular coil, solenoid and projection magnetic needle.