Not many people know about electrical engineering. However, it is still a very fundamental topic to know about. Many people should educate themselves about electric circuits and other kinds of electrical engineering information. For example, if you want to understand the lighting system in your home, you will need to know about electric circuits.
If you knew about electric circuits, and if one of your bulbs were broken, you could easily fix it yourself. There are many practical applications to knowing about electric circuits. So you had better educate yourself through the information about electrical systems on this website.