1.8 Electrical Appliances (GCSE Physics)

The following is a GCSE Physics test covering '1.8 Electrical Appliances'

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Question 1

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What energy transfer is efficient when charging a low-voltage laptop?

A device transferring energy from electric to heat, useful in food preparation is:

What feature differentiates a clockwork radio from a normal electric radio?

Which of these appliances mainly transfers electrical energy into heat energy?

What happens to wasted energy in electrical appliances?

What usually occurs to wasted energy in appliances, in terms of surroundings?

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

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

What energy store is primarily increased when boiling water in an electric kettle?

Why is wasted energy undesirable in electrical appliances?

What should ideally be minimised when choosing an electrical appliance?

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