Question detail
Why are wind turbines considered intermittent energy sources?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
National and global energy resources
Question
- A. They can only operate during the night
- B. They require a constant supply of fuel
- C. Their output varies with wind speed
- D. They produce electricity only in coastal areas
Answer
Their output varies with wind speed
Explanation
The correct option is "Their output varies with wind speed". Their output varies with wind speed is right because it directly matches Energy resources: Explain why some energy resources are intermittent.. The other options are less suitable because they change the required Physics relationship, confuse the relevant energy store or use a distractor that does not answer the question.
Common mistake
Misunderstanding Intermittent Energy Resources
Students often confuse intermittent energy resources with non-renewable resources, thinking they are the same.
Clarify that intermittent energy resources, like solar and wind, are renewable but depend on environmental conditions, while non-renewable resources, like fossil fuels, are finite.
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