Question detail
Explain how you would state that the earth wire is at 0 V and carries current only if there is a fault. in the context of Domestic uses and safety.
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
Domestic uses and safety
Question
Explain how you would state that the earth wire is at 0 V and carries current only if there is a fault. in the context of Domestic uses and safety.
Answer
A strong answer should clearly state that the earth wire is at 0 V and carries current only if there is a fault. using accurate physics vocabulary and direct links to Mains electricity.
Explanation
This exam-style question is aligned to the approved learning objective for Mains electricity and expects a structured physical explanation rather than a single fact.
Common mistake
Mains electricity common mistake 1
Giving a vague answer instead of directly addressing: State that the earth wire is at 0 V and carries current only if there is a fault..
Answer by clearly explaining how to state that the earth wire is at 0 V and carries current only if there is a fault..
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