A UK gas and electricity firm - that supplies almost 24,000 customers with energy - has collapsed. Industry regulator Ofgem has been forced to step in to protect customer's supply of energy. Tomato ...

In this video, Jonny Nelson introduces an animated explanation of electromagnetism. Electromagnetism is due to the magnetic fields around electric currents. The fields can cause forces with other ...

Alternating current (ac) or direct current (dc) circuits are capable of carrying very different currents, as illustrated by the ratings on the switch in Figure 1. This is why it’s so important for ...

Speaker one Have you ever wondered how some of our devices can charge so quickly? Understanding the characteristics of electrical components is crucial to designing devices that can charge our phones ...

The top end of the range for the parent of Arizona Public Service is now 7%. Says CFO Andrew Cooper about growing that quickly beyond the end of this decade: ‘Our confidence is... Visibility gaps in ...