ABSTRACT
I n today ’ s world, electricity is something that we all take for granted. So, before we get started, it is worth thinking about what electricity means to you and, more importantly, how it aff ects your life. Think, for a moment, about where and how electricity is used in your home, car, workplace or college. You will quickly conclude that electricity is a means of providing heat, light, motion and sound. You should also conclude that electricity is invisible – we only know that it is there by looking at what it does!
