Question detail
A learner confuses potential difference, current and resistance. Which option best fixes the answer for The National Grid?
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. State the exact relationship in the objective and apply it only to the stated situation.
- B. Replace the objective with a vague statement that electricity is useful.
- C. Describe a different Physics unit because it sounds more familiar.
- D. Leave out units, component names or circuit conditions from the answer.
Answer
The correct answer is: State the exact relationship in the objective and apply it only to the stated situation.
Explanation
State the exact relationship in the objective and apply it only to the stated situation. That keeps the answer focused on explain that step-down transformers decrease potential difference to a lower value for domestic use.
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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