Introduction

Try to imagine life without electricity: no internet, no phones, no transportation, no play stations or television, no hair dryers, etc. … We can’t, electricity has become a vital service in our lives.

What do you know about electricity? How can it be controlled or made use of? These are very vast questions and probably one day some of you will be able to answer them, However, for the time being, we step into a new branch of physics: Electricity.

As we take our first baby step into this realm, we need to set the basic vocabulary used and the fundamental laws of electric circuits and designs.

This chapter may be of minor importance concerning official exams; however, it is the basic building block to start our journey in electricity. All chapter and concepts, related to electricity, covered this year or the upcoming ones, are built on the foundations set by this chapter…