![A flat coil, in the shape of a spiral, has a large number of turns N. The turns are wound tightly - YouTube A flat coil, in the shape of a spiral, has a large number of turns N. The turns are wound tightly - YouTube](https://i.ytimg.com/vi/WTzIb7KBSmU/maxresdefault.jpg)
A flat coil, in the shape of a spiral, has a large number of turns N. The turns are wound tightly - YouTube
![inductor - Practicality of using flat-spiral coil as electromagnet? - Electrical Engineering Stack Exchange inductor - Practicality of using flat-spiral coil as electromagnet? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/JNpYJ.png)
inductor - Practicality of using flat-spiral coil as electromagnet? - Electrical Engineering Stack Exchange
![Degree 220 Polyester Imide Coated Rectangular Enamelled Copper Wire Flat Electromagnetic Coil - Buy Rectangular Enamelled Copper Wire,Flat Enameled Copper Wire Degree 220 Class High Temperature Voltage Copper Magnet Wire,Enamel Copper Flat Degree 220 Polyester Imide Coated Rectangular Enamelled Copper Wire Flat Electromagnetic Coil - Buy Rectangular Enamelled Copper Wire,Flat Enameled Copper Wire Degree 220 Class High Temperature Voltage Copper Magnet Wire,Enamel Copper Flat](http://sc04.alicdn.com/kf/H0a05c29110794be9add8857020357403e.jpg)
Degree 220 Polyester Imide Coated Rectangular Enamelled Copper Wire Flat Electromagnetic Coil - Buy Rectangular Enamelled Copper Wire,Flat Enameled Copper Wire Degree 220 Class High Temperature Voltage Copper Magnet Wire,Enamel Copper Flat
![Fast Inductive Watch Wireless Charging Miniature Electromagnet Magnetic Field Equation Core Flat Coil 5w - Buy Charger Inductor Coil,10mm 10uh Wireless Charging Coil,Electromagnetic Induction Coil Product on Alibaba.com Fast Inductive Watch Wireless Charging Miniature Electromagnet Magnetic Field Equation Core Flat Coil 5w - Buy Charger Inductor Coil,10mm 10uh Wireless Charging Coil,Electromagnetic Induction Coil Product on Alibaba.com](http://sc04.alicdn.com/kf/H67320220fe8742519712368483429b2d5.jpg)
Fast Inductive Watch Wireless Charging Miniature Electromagnet Magnetic Field Equation Core Flat Coil 5w - Buy Charger Inductor Coil,10mm 10uh Wireless Charging Coil,Electromagnetic Induction Coil Product on Alibaba.com
![Magnetic coil icon. Flat illustration of magnetic coil vector icon for web design Stock Vector | Adobe Stock Magnetic coil icon. Flat illustration of magnetic coil vector icon for web design Stock Vector | Adobe Stock](https://as2.ftcdn.net/v2/jpg/02/98/83/49/1000_F_298834901_bRjpvW1ruD5y7VbyQco7pwI0fkguJmTk.jpg)