Lesson: Chapter 10 — Power and energy in electrical appliances

10.5. Measuring energy in kilowatt-hours 3 of 4 Reset answers

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Question 3

A 2 kW heater runs for 3 hours. How many units does it use?

A 6 kWh B 0.67 kWh C 6000 kWh D 5 kWh

The right answer is the one marked above.

6 kWh. 2 kW × 3 h.

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