Question detail
Which answer would earn credit when explain that the live wire carries the alternating potential difference from the supply is assessed?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Domestic uses and safety
Question
- A. Check the named quantity, component or circuit relationship before choosing the response.
- B. Write every electricity equation even when the question asks for a description.
- C. Use the same rule for series and parallel circuits without checking the arrangement.
- D. Describe energy transfer when the question asks for charge or current only.
Answer
The correct answer is: Check the named quantity, component or circuit relationship before choosing the response.
Explanation
Check the named quantity, component or circuit relationship before choosing the response. This avoids confusing potential difference, current and resistance while staying aligned to explain that the live wire carries the alternating potential difference from the supply.
Common mistake
Mains electricity common mistake 1
Giving a vague answer instead of directly addressing: Explain that the live wire carries the alternating potential difference from the supply..
Answer by clearly explaining how to explain that the live wire carries the alternating potential difference from the supply..
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