![electromagnetism - What would be the shape of the magnetic field around a current carrying wire made up from iron? - Physics Stack Exchange electromagnetism - What would be the shape of the magnetic field around a current carrying wire made up from iron? - Physics Stack Exchange](https://i.stack.imgur.com/aVNHT.jpg)
electromagnetism - What would be the shape of the magnetic field around a current carrying wire made up from iron? - Physics Stack Exchange
Magnetic fields in a wire - Magnetic fields - OCR Gateway - GCSE Physics (Single Science) Revision - OCR Gateway - BBC Bitesize
![electromagnetism - Magnetic Field Direction -- a single one -- on a current carrying wire - Physics Stack Exchange electromagnetism - Magnetic Field Direction -- a single one -- on a current carrying wire - Physics Stack Exchange](https://i.stack.imgur.com/4iM3O.jpg)