Key Stage 3 (KS3) Energy Practice Test

Question: 1 / 400

What is the typical power rating for household appliances?

100 W to 1,000 W

The typical power rating for household appliances falls within the range of 100 W to 1,000 W. This range includes many common appliances, such as toasters, microwaves, and light bulbs, which typically operate within this power consumption level. Understanding this power range is important for estimating energy usage and costs in a household setting.

Appliances that have a much lower rating, such as those rated 1 W to 10 W, are generally limited to small electronic devices or energy-saving light bulbs. On the other end of the spectrum, the higher range of 10,000 W to 20,000 W is exceptionally high and not typical for standard household appliances, as most homes do not use equipment that demands such intense energy consumption for regular tasks. Thus, the range of 500 W to 10,000 W would also include many industrial or high-power equipment that is not generally found in typical household settings. Therefore, the stated range of 100 W to 1,000 W accurately reflects the power ratings for common household devices.

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1 W to 10 W

10,000 W to 20,000 W

500 W to 10,000 W

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