Lesson: Chapter 10 — Power and energy in electrical appliances

10.5. Measuring energy in kilowatt-hours 2 of 4 Reset answers

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Question 2

How many joules are in 1 kWh?

A 3 600 000 J B 3600 J C 1000 J D 60 000 J

The right answer is the one marked above.

3 600 000 J. 1000 W × 3600 s.

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