Electricity has improved our lives immensely and no wonders it is one of the most powerful forces in our lives that keep us going. What comes to our minds when we think of electricity? Television, refrigerator, music systems, air conditioners, heaters, hot water, washing machines, computers, lights and fans and of course every other appliances that are electricity dependent. We cannot imagine our lives without these appliances and devices since they make our lives much simpler, our efforts much easier. For this reason we cannot do without electricity.