| A 60 watt light bulb. A 500 watt power supply. A 1000 watt microwave. Electrical power and its unit, the watt, are routinely encountered and used in everyday life. Even though the term may be familiar, most people probably do not understand the concept of electrical power. As an electrician or technician, you not only need know what it is, but also be able to confidently calculate electrical power under a variety of on-the-job situations. |
