Learning objective
Explain that the earth wire is a safety wire that stops an appliance becoming live.
Read the explanation, check the common trap, then practise with flashcards and questions.
At a glance
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Flashcards
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Questions
Topic
Domestic uses and safety
Subtopic
Mains electricity
Study support
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Quick explanation
Explain that the earth wire is a safety wire that stops an appliance becoming live
- This point belongs to Domestic uses and safety, especially Mains electricity.
- You need to be able to explain that the earth wire is a safety wire that stops an appliance becoming live.
- The key ideas to know are safety and earth wire.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
Key concepts
Why it matters
This objective helps connect Mains electricity to exam-style questions, flashcards, and revision notes for Domestic uses and safety.
Quick student answer
How do you explain the earth wire is a safety wire that stops an appliance becoming live?
Direct answer
In Physics, this page helps you answer questions about the earth wire is a safety wire that stops an appliance becoming live within Domestic uses and safety. Focus on the key process, correct scientific terms, and how the idea links to exam-style questions. Key terms to check are earth wire and earth wire safety.
Key terms
- earth wire: earth wire is a curriculum-aligned term linked to the learning objective: Explain that the earth wire is a safety wire that stops an appliance becoming live..
- earth wire safety: In Mains electricity, earth wire safety means the precise GCSE Physics idea needed to explain that the earth wire is a safety wire that stops an appliance becoming live. It helps avoid mixing up power with total energy transferred.
Common trap
Mains electricity common mistake 1: Answer by clearly explaining how to explain that the earth wire is a safety wire that stops an appliance becoming live..
Related questions
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Revision notestopic notes
Open the full topic revision notes when you are ready to review this objective in context.
Open revision notesRelated learning objectives
- Explain that mains electricity is an alternating-current supply.
Direct and alternating potential difference
- State that the UK domestic electricity supply has a frequency of 50 Hz.
Direct and alternating potential difference
- State that the UK domestic electricity supply is about 230 V.
Direct and alternating potential difference
- Explain the difference between direct potential difference and alternating potential difference.
Direct and alternating potential difference
- Identify cells and batteries as common sources of direct potential difference.
Direct and alternating potential difference