Fuses and circuit breakers
What Fuses and circuit breakers means in Combined Science GCSE, as defined for AQA.
Definition of Fuses and circuit breakers
Check what you remember
Read the wording for your board, then hide it and explain Fuses and circuit breakers in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
The surge from a fault melts the fuse or trips the circuit breaker, disconnecting the live supply before anyone can receive a shock.
Topics that use Fuses and circuit breakers
- Mains electricity (AQA GCSE)
Related terms
- colour code
- double insulation
- Earth wire
- Electrical safety
- Function and placement of switches
- fuse
- Insulation
- Isolation from the supply
Using Fuses and circuit breakers in the exam
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