AQA GCSE Physics · 8463
Specification 4.2.3.2 · Paper 1
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GCSE Physics · key term
A conducting connection between the live supply and earth, allowing a potentially dangerous current to flow.
Used by AQA
Specification 4.2.3.2 · Paper 1
When explaining an earth fault, give the full sequence: live touches the metal case → the earth wire provides a low-resistance path → a large fault current flows → a fuse melts or a circuit breaker disconnects the supply.
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