This course is one of the quickStep series offered by Siemens in AC Motors. These are FREE on-line industrial knowledge building tutorials. quickSTEPs are a great start for industry novices moving into technical jobs or...

This activity demonstrates the magnetic field induced by a current-carrying wire. A group of compasses are arranged around the wire indicating when a magnetic field stronger than the Earth’s field is produced. ...

This activity is concerned with the magnetic field generated by a current-carrying wire. Two current-carrying wires are placed near each other as forces push them apart or pull them together. Materials needed,...

The Community Learning Network "Theme Pages" support the study of electricity and magnetism. Students and teachers will find curricular resources to help them learn about this topic. In addition, there are links to...

These web pages, authored and curated by David Stern, provide an introduction to the aurora and the physical mechanisms that cause it. They include details about auroral imaging, particularly from satellites, and the...