Question detail
Which option best matches the approved learning objective for Direct and alternating potential difference (1)?
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. It means students should be able to explain that mains electricity is an alternating-current supply.
- B. It means mains electricity is never assessed in Domestic uses and safety.
- C. It means learners only need to memorise the topic title for Direct and alternating potential difference.
- D. It means students should give the opposite of the approved learning objective.
Answer
Selected option: It means students should be able to explain that mains electricity is an alternating-current supply.. This matches Explain that mains electricity is an alternating-current supply in Direct and alternating potential difference.
Explanation
It means students should be able to explain that mains electricity is an alternating-current supply. is the supported choice. For this Electricity objective, the key move is to apply the exact circuit rule before adding detail. Here it links directly to Explain that mains electricity is an alternating-current supply in Domestic uses and safety. The distractors are weaker because they either ignore the named circuit condition, use a rule from another electricity context, or leave out the scientific quantity being tested.
Common mistake
Direct and alternating potential difference common mistake 1
Giving a vague answer instead of directly addressing: Explain that mains electricity is an alternating-current supply..
Answer by clearly explaining how to explain that mains electricity is an alternating-current supply..
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