Lecture 18 Electric Current. Electric charges in motion. No more rest for the weary. Let's put charge to work. Lecture 19 DC Circuits.
Electric circuits abound in today's world.
They are basic parts of all electronic gear from radio and TV sets to computers and even automobiles. Wires, Wires, everywhere. The history of magnetism begins much earlier with the ancient civilizations in Asia Minor. It was in a region of Asia Minor known as Magnesia that rocks were found that would attract each other. It is clear, although not obvious, that magnetism and electricity are closely related.