Q. One watt hour equals how many joules?

A
360 J
B
3060 J
C
3600 J
D
6300 J
Solution:

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

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