Question
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 (A
- C . Which of the statements given above is / are correct?
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