Currents running through wires of different shapes produce different magnetic fields. Consider a circular loop with a current traveling in a counter-clockwise direction around it (as viewed from the top). By pointing your thumb in the direction of the current, you ...
![Is it possible to make a ring-shaped magnet with the North and South Poles as inner and outer surfaces respectively or vice-versa? If yes, then how? - Quora Is it possible to make a ring-shaped magnet with the North and South Poles as inner and outer surfaces respectively or vice-versa? If yes, then how? - Quora](https://qph.fs.quoracdn.net/main-qimg-576d7b0c35040a7381d0bc0249b9a2e5.webp)
Is it possible to make a ring-shaped magnet with the North and South Poles as inner and outer surfaces respectively or vice-versa? If yes, then how? - Quora
![color). The RT-1 magnetospheric plasma system. (a) A dipole magnetic... | Download Scientific Diagram color). The RT-1 magnetospheric plasma system. (a) A dipole magnetic... | Download Scientific Diagram](https://www.researchgate.net/profile/Haruhiko-Saitoh/publication/46423787/figure/fig4/AS:668402880372736@1536371073145/color-The-RT-1-magnetospheric-plasma-system-a-A-dipole-magnetic-field-is-produced.png)
color). The RT-1 magnetospheric plasma system. (a) A dipole magnetic... | Download Scientific Diagram
![Are the magnetic field lines flowing from north to south _inside_ a bar magnet as well? - Engineering Stack Exchange Are the magnetic field lines flowing from north to south _inside_ a bar magnet as well? - Engineering Stack Exchange](https://i.stack.imgur.com/RnVYR.jpg)