Question detail
What do fuel cells require as inputs to generate electricity?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Chemical cells and fuel cells (chemistry only)
Question
- A. An external source of fuel and oxygen or air
- B. Only water and electricity
- C. A chemical reaction without any inputs
- D. Only hydrogen gas
Answer
An external source of fuel and oxygen or air
Explanation
Fuel cells generate electricity by using an external source of fuel (like hydrogen) and oxygen or air.
Common mistake
Misunderstanding Fuel Sources
Students often think that fuel cells generate their own fuel instead of being supplied by an external source.
Emphasize that fuel cells require an external supply of fuel and oxygen or air to operate.
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