We may receive a commission on purchases made from links. We don't usually talk or think about generators, but they can be real lifesavers when power outages happen. A backup generator will keep your ...

An electric current can be induced in in a coil of wire by moving a magnet in and out of the coil. AC generators are used in the generation of electricity and in their simplest form consist of a coil ...

Add Yahoo as a preferred source to see more of our stories on Google. Portable generators have become fairly common and their popularity will likely increase as extreme weather events become a more ...