Review homework questions. Define and discuss electric power, the rate at which electrical energy is converted into other forms. Formula is power= current x voltage. The unit is the watt or Kilowatt. Series of problems to determine the power, current or voltage given 2 of the factors... Discussion of the kilowatt hour as the amount of energy consumed in 1 hr. Energy is also determined by the power x time. Solve a series of textbook questions from the end of the chapter.