3.10.3 - Fuel Cells
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Practice Questions
Test your understanding with targeted questions
What is a fuel cell?
💡 Hint: Think about the relationship between fuel and energy.
Name one common fuel used in fuel cells.
💡 Hint: It is the lightest element.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What do fuel cells primarily produce?
💡 Hint: Consider the main outcome of the chemical reaction.
Fuel cells are more efficient than combustion engines.
💡 Hint: Think about how effective each energy system is at converting fuel into energy.
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Challenge Problems
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The efficiency of fuel cells is often stated as being 40-60%. What factors contribute to this range, and how do these factors compare to traditional energy conversion methods?
💡 Hint: Consider technological differences and thermodynamic principles.
If a hydrogen fuel cell generates 5 kW of power and operates for 3 hours, how much energy in kilowatt-hours (kWh) does it produce?
💡 Hint: Remember the formula for calculating energy from power and time.
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