Information AboutToroid |
| CATEGORIES ABOUT TOROID | |
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In mathematics, a toroid is a Doughnut -shaped object. The surface of such an object is known as a Torus . Its annular shape is generated by revolving a circle around an axis external to the circle. In electronics, a toroid is a circular Magnetic Core made of iron powder or Ferrite , around which Wire is coiled to make an Inductor . Toroidal coils are used in a broad range of applications, such as high frequency coils and Transformer s. Toroidal Inductor s can have higher Q Factor s, higher Inductance , and carry more current than similarly constructed Solenoid coils. This is due largely to the smaller number of turns required in coils with cores of material of high magnetic permeability, which reduces Resistance . The Magnetic Flux in a toroid is confined to the core, preventing its energy from being absorbed by nearby objects, making toroidal cores essentially self-shielding. In the geometry of torus-shaped magnetic fields, the ''poloidal'' flux direction threads the "donut hole" in the center of the torus, while the ''toroidal'' flux direction is parallel the core of the torus. In Fluid Mechanics , a toroid-shaped flow is called a Vortex Ring . EXTERNAL LINKS
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