1.8 Electrical Appliances (Year 10 Physics)

The following test is covering '1.8 Electrical Appliances' for Year 10 Physics.

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Question 1

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When an appliance is more efficient, it has less:

Which appliance is designed primarily to transfer electrical energy into light energy?

Which device converts electrical energy primarily into kinetic energy usefully?

What is a desirable quality for everyday electrical devices in home use?

Energy supplied to homes is mostly provided as what form?

What happens to wasted energy in electrical appliances?

Why is wasted energy undesirable in electrical appliances?