Question

the commercial unit of power is kWh ie energy used in 1 hour at ___ joules / sec​

Answer 1

Step-by-step explanation:

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. In equation form: 1 kWh = 3.6 million J.