හෝඩුවාවක්

[girigoris_1923]

කාන්දං බලේ හැදිල තියෙන හැටි

The most common magnetic fields come from negatively charged particles called electrons

 

[girigoris_1923]

It is well known that magnetic field is created by electron spin. In the following schema we see an electron spinning, and with the direction of rotation of the electron, the direction of magnetic fields is defined as N-S or S-N: