Here's why:
* Ease of Transmission: AC can be easily stepped up (increased voltage) for long-distance transmission with less energy loss. This makes it highly efficient for delivering electricity over power lines.
* Transformers: AC can be easily transformed to different voltages using transformers, making it suitable for various applications like household appliances, industrial machinery, and electronic devices.
* Compatibility with Motors: Most electric motors operate on AC, which is crucial for powering many devices.
While direct current (DC) is still used in some applications, like battery-powered devices, charging systems, and some industrial processes, AC is the dominant form of electric current used for power grids and most everyday applications.