Question

How many joules are equal to 1 kilowatt-hour ? Explain.

Answer 1

1,000 joules

• 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.

Answer 2

Answer:

3.6*10^6 joules

Explanation:

1kWh= 1kW*1hr

=1000W*3600s

=3600000J

=3.6*10^6 J

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