Why is there a magnetic field in the current?
When an electrical charge moves, a magnetic field is created, as Ampere predicted. As with electrical current running via a wire, the spinning and orbiting of an atom's nucleus produce a magnetic field. The magnetic field is determined by the direction of the spin and orbit.



![XAT Result 2026 Expected This Week [LIVE Updates]: Date, Time, Score vs Percentile & Top Colleges](https://cache.careers360.mobi/media/presets/50X50/article_images/2026/1/13/XAT-2026-Result-Date.jpg)
