Learning objective
Explain why a live wire may be dangerous even when a switch in the mains circuit is open.
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
Understand this objective
Quick explanation
Explain why a live wire may be dangerous even when a switch in the mains circuit is open
- This point belongs to Domestic uses and safety, especially Mains electricity.
- You need to be able to explain why a live wire may be dangerous even when a switch in the mains circuit is open.
- The key ideas to know are live 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
What is a live wire may be dangerous even when a switch in the mains circuit is open?
Direct answer
In Physics, this page helps you answer questions about a live wire may be dangerous even when a switch in the mains circuit is open 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 live wire and live wire dangerous.
Key terms
- live wire: live wire is a curriculum-aligned term linked to the learning objective: Explain why a live wire may be dangerous even when a switch in the mains circuit is open..
- live wire dangerous: In Mains electricity, live wire dangerous means the precise GCSE Physics idea needed to explain why a live wire may be dangerous even when a switch in the mains circuit is open. It helps avoid mixing up mains electricity and safety.
Common trap
Mains electricity common mistake 1: Answer by clearly explaining how to explain why a live wire may be dangerous even when a switch in the mains circuit is open..
Related questions
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Revision notestopic notes
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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