Physics GCSE
metal case
What metal case means in Physics GCSE, as defined for AQA.
Definition of metal case
Check what you remember
Read the wording for your board, then hide it and explain metal case in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
The part of an appliance joined to the ground by the earth wire, which would otherwise rise to about 230 V if the live wire touched it.
Topics that use metal case
- Mains electricity (AQA GCSE)
Related terms
- conductors and insulators
- double insulation
- earth wire
- equal current
- fault current
- live neutral earth
- live to earth connection
- low resistance path
Using metal case in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Physics questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Physics GCSE termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge