The battery as we know it today was an invention of Italian chemist and physicist Alessandro Volta. He witnessed electricity splitting water into its constituent elements of oxygen and hydrogen and ...

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 ...

Alternating current (AC) electrical power has been used in industrial facilities and in people’s homes since 1882. Over the years, we have come to recognize the hazards associated with AC, and safety ...

As the story goes, the rock band AC/DC took its name from a label on an old sewing machine in the Young brothers’ home. It must have meant that the machine could run on either alternating-current or ...

Have you ever wondered about the electricity that courses through your car? Do you suspect that there's a captive bolt of lightning held in a magic jar? Of course you don't. You're not a Neanderthal.

Electrical safety in direct current (DC) systems is not as well understood or regulated as alternating current (AC) systems. This is due to the new and diverse forms of DC sources, lower prevalence of ...