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?
1 only
2 and 3 only
1 and 3 only
1, 2 and 3
Answer is Right!
Answer is Wrong!
This question was previously asked in
UPSC IAS – 2015