Answer to Question #235824 in Mechanical Engineering for Fati

Question

33. One kilowatt-hours is commonly termed as one commercial uniq of electric energy which is
equal to:

Answer 1

If you use one kilowatt of power for an hour, you have used 1 kilowatt-hour, abbreviated kWh, of energy. One kilowatt-hour is equivalent to the energy of 1,000 joules used for 3,600 seconds or 3.6 million Joules.