Question detail
A learner confuses current, charge and time. Which option best fixes the answer for Direct and alternating potential difference?
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. 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 mains electricity is an alternating-current supply.
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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