Correct Answer:
Option D - A kilowatt, is a globally recognized standard for measuring electricity. One kilowatt is equal to 1,000 watt or 1 KW = 1000 Joule per second. Companies charge an electric bill by how much electricity we use per kilowatt hour (kWh).
D. A kilowatt, is a globally recognized standard for measuring electricity. One kilowatt is equal to 1,000 watt or 1 KW = 1000 Joule per second. Companies charge an electric bill by how much electricity we use per kilowatt hour (kWh).