If you took introductory physics, you learned about the “fundamental forces.” It goes something like this: All interactions ...

An electric current can flow in the wire from one end of the battery to the other, but nothing useful happens. The wire just gets very hot and the battery loses stored internal energy – it ...

If you think about it, that isn’t such a strange question. We talk about electrical current — just like current in a stream. Many introductory books on electricity try to relate voltage to ...

The film explores the fundamental principles of electricity, explaining the structure of atoms and the behavior of electrons.