I had cause to demonstrate the magnetic field around a wire, and ended up with an 8A current in a vertical wire, battling with the Earth’s magnetic field. My borrowed idea was to put a ring of eight ...

Discover the art of creating beautiful infinity wire rings with our easy-to-follow tutorial. Learn how to skillfully play ...

The direction of the current and magnetic field can be found using the right hand grip rule. Coil the fingers of the right hand as if holding the handlebars of a bicycle, with the thumb pointing away ...