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Domestic Uses And Safety (GCSE Physics)
The following is a GCSE Physics test covering 'Domestic Uses And Safety' from the broader topic Electricity. The test is geared towards the AQA exam board style syllabus.Incorrect: 0
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What is the safest first step if an appliance starts to smoke or catch fire?
What is the mains electricity frequency in the UK?
What does the live wire carry in normal operation?
An RCD (residual current device) is fitted in a circuit. What does it do?
Which practice reduces standby energy waste from domestic appliances?
Which of these devices gives protection against overheating and is often placed inside kettles or irons?
Why should damaged insulation on a cable be repaired promptly?
A lamp on a 230 V supply has resistance 115 O. What current flows through it?
In a household wiring scenario, why is it dangerous to replace a fuse with a higher rated fuse?
Which symbol indicates double-insulated appliances (no earth needed)?
What is the standard mains supply potential difference in UK homes?
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