Question detail
A student is answering an AQA Electricity question about The National Grid. Which choice best applies step down transformers?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Energy transfers
Question
- A. Use explain that step-down transformers decrease potential difference to a lower value for domestic use in the specific circuit or quantity named in the question.
- B. Assume step down transformers means the same thing in every electricity context.
- C. Ignore the circuit arrangement and quote the topic title only.
- D. Swap the stated relationship for its opposite when the numbers look unfamiliar.
Answer
The correct answer is: Use explain that step-down transformers decrease potential difference to a lower value for domestic use in the specific circuit or quantity named in the question.
Explanation
Use explain that step-down transformers decrease potential difference to a lower value for domestic use in the specific circuit or quantity named in the question. This is correct because the objective is about explain that step-down transformers decrease potential difference to a lower value for domestic use, not a loose recall of Energy transfers.
Common mistake
The National Grid common mistake 1
Giving a vague answer instead of directly addressing: Explain that step-down transformers decrease potential difference to a lower value for domestic use..
Answer by clearly explaining how to explain that step-down transformers decrease potential difference to a lower value for domestic use..
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