GyanGramWith reference to ‘fuel cells’ in which hydrogen-rich fuel and oxygen are used to generate electricity. Consi…
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With reference to ‘fuel cells’ in which hydrogen-rich fuel and oxygen are used to generate electricity. Consider the following statements:
1. If pure hydrogen is used as a fuel, the fuel cell emits heat and water as by-products.
2. Fuel cells can be used for powering buildings and not for small devices like laptop computers.
3. Fuel cells produce electricity in the form of Alternating Current (AC).
Which of the statements given above is/are correct?
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• Correct Answer: A
• Pure hydrogen fuel cells produce only electricity, heat, and water via electrochemical reaction.
• Fuel cells are scalable for laptops and buildings; they produce DC, not AC.
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