2Pcs Magnetic Levitation Coil For 100 System Pure Copper Coil With Iron Core Screw Hole 12x19mm

When a current is passed through the coil, a field is generated around the coil. This additional field can generate an external force to the upper permanent magnet, or push or suck. By adjusting the magnitude and direction of the current flowing through the coil, the force can be adjusted to generate Stable suspension. Made of high quality material, thus it is durable. Material: Copper Color: Copper Color Outside Diameter: app.19mm/0.75in Inner diameter: 8MM Height: app.12mm/0.47in DC resistance about 4.2 ohms Inductor 1K 0.25V 3.7MH Package Included:2Pcs Due to manual measurement, please allow an error of 1-3mm. As different computers display different colors, thank you for your understanding, the actual product color may be slightly different from the image.